Home / 2,318,681.40-3,478,022.10-635,782.20

Finding the Fourth Proportional to 2,318,681.40, 3,478,022.10 and 635,782.20

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Solution

The fourth proportional to 2,318,681.40, 3,478,022.10 and 635,782.20 is: 953,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,681.40 : 3,478,022.10 = 635,782.20 : x
  2. Step 2: Convert to fraction form
    2,318,681.40/3,478,022.10 = 635,782.20/x
  3. Step 3: Cross multiply
    2,318,681.40x = 3,478,022.10 × 635,782.20
  4. Step 4: Simplify right side
    2,318,681.40x = 2,211,264,542,386.62
  5. Step 5: Solve for x
    x = 2,211,264,542,386.62/2,318,681.40
  6. Step 6: Final answer
    x = 953,673.30

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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.