Home / 2,987,007.40-4,480,511.10-992,463.40

Finding the Fourth Proportional to 2,987,007.40, 4,480,511.10 and 992,463.40

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Solution

The fourth proportional to 2,987,007.40, 4,480,511.10 and 992,463.40 is: 1,488,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,007.40 : 4,480,511.10 = 992,463.40 : x
  2. Step 2: Convert to fraction form
    2,987,007.40/4,480,511.10 = 992,463.40/x
  3. Step 3: Cross multiply
    2,987,007.40x = 4,480,511.10 × 992,463.40
  4. Step 4: Simplify right side
    2,987,007.40x = 4,446,743,280,043.74
  5. Step 5: Solve for x
    x = 4,446,743,280,043.74/2,987,007.40
  6. Step 6: Final answer
    x = 1,488,695.10

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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.