Home / 2,429,721.30-3,645,019.35-1,009,920.90

Finding the Fourth Proportional to 2,429,721.30, 3,645,019.35 and 1,009,920.90

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Solution

The fourth proportional to 2,429,721.30, 3,645,019.35 and 1,009,920.90 is: 1,515,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429,721.30 : 3,645,019.35 = 1,009,920.90 : x
  2. Step 2: Convert to fraction form
    2,429,721.30/3,645,019.35 = 1,009,920.90/x
  3. Step 3: Cross multiply
    2,429,721.30x = 3,645,019.35 × 1,009,920.90
  4. Step 4: Simplify right side
    2,429,721.30x = 3,681,181,222,469.42
  5. Step 5: Solve for x
    x = 3,681,181,222,469.42/2,429,721.30
  6. Step 6: Final answer
    x = 1,515,063.16

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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.