Home / 4,752,401.10-7,128,601.65-2,193,611.10

Finding the Fourth Proportional to 4,752,401.10, 7,128,601.65 and 2,193,611.10

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Solution

The fourth proportional to 4,752,401.10, 7,128,601.65 and 2,193,611.10 is: 3,290,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,401.10 : 7,128,601.65 = 2,193,611.10 : x
  2. Step 2: Convert to fraction form
    4,752,401.10/7,128,601.65 = 2,193,611.10/x
  3. Step 3: Cross multiply
    4,752,401.10x = 7,128,601.65 × 2,193,611.10
  4. Step 4: Simplify right side
    4,752,401.10x = 15,637,379,706,918.32
  5. Step 5: Solve for x
    x = 15,637,379,706,918.32/4,752,401.10
  6. Step 6: Final answer
    x = 3,290,416.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.