Home / 6,143,999.40-9,215,999.10-3,902,668.20

Finding the Fourth Proportional to 6,143,999.40, 9,215,999.10 and 3,902,668.20

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Solution

The fourth proportional to 6,143,999.40, 9,215,999.10 and 3,902,668.20 is: 5,854,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,999.40 : 9,215,999.10 = 3,902,668.20 : x
  2. Step 2: Convert to fraction form
    6,143,999.40/9,215,999.10 = 3,902,668.20/x
  3. Step 3: Cross multiply
    6,143,999.40x = 9,215,999.10 × 3,902,668.20
  4. Step 4: Simplify right side
    6,143,999.40x = 35,966,986,618,798.62
  5. Step 5: Solve for x
    x = 35,966,986,618,798.62/6,143,999.40
  6. Step 6: Final answer
    x = 5,854,002.30

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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.