Home / 4,812,824.80-7,219,237.20-2,153,432.80

Finding the Fourth Proportional to 4,812,824.80, 7,219,237.20 and 2,153,432.80

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Solution

The fourth proportional to 4,812,824.80, 7,219,237.20 and 2,153,432.80 is: 3,230,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,824.80 : 7,219,237.20 = 2,153,432.80 : x
  2. Step 2: Convert to fraction form
    4,812,824.80/7,219,237.20 = 2,153,432.80/x
  3. Step 3: Cross multiply
    4,812,824.80x = 7,219,237.20 × 2,153,432.80
  4. Step 4: Simplify right side
    4,812,824.80x = 15,546,142,177,460.16
  5. Step 5: Solve for x
    x = 15,546,142,177,460.16/4,812,824.80
  6. Step 6: Final answer
    x = 3,230,149.20

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Double scale
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Similar ratio
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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.