Home / 4,707,991.40-7,061,987.10-3,645,109.40

Finding the Fourth Proportional to 4,707,991.40, 7,061,987.10 and 3,645,109.40

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Solution

The fourth proportional to 4,707,991.40, 7,061,987.10 and 3,645,109.40 is: 5,467,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707,991.40 : 7,061,987.10 = 3,645,109.40 : x
  2. Step 2: Convert to fraction form
    4,707,991.40/7,061,987.10 = 3,645,109.40/x
  3. Step 3: Cross multiply
    4,707,991.40x = 7,061,987.10 × 3,645,109.40
  4. Step 4: Simplify right side
    4,707,991.40x = 25,741,715,560,888.74
  5. Step 5: Solve for x
    x = 25,741,715,560,888.74/4,707,991.40
  6. Step 6: Final answer
    x = 5,467,664.10

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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.