Home / 2,952,046.20-4,428,069.30-1,690,001.40

Finding the Fourth Proportional to 2,952,046.20, 4,428,069.30 and 1,690,001.40

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Solution

The fourth proportional to 2,952,046.20, 4,428,069.30 and 1,690,001.40 is: 2,535,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,046.20 : 4,428,069.30 = 1,690,001.40 : x
  2. Step 2: Convert to fraction form
    2,952,046.20/4,428,069.30 = 1,690,001.40/x
  3. Step 3: Cross multiply
    2,952,046.20x = 4,428,069.30 × 1,690,001.40
  4. Step 4: Simplify right side
    2,952,046.20x = 7,483,443,316,297.02
  5. Step 5: Solve for x
    x = 7,483,443,316,297.02/2,952,046.20
  6. Step 6: Final answer
    x = 2,535,002.10

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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.