Home / 2,407,645.80-3,615,615.90-1,287,901.80

Finding the Fourth Proportional to 2,407,645.80, 3,615,615.90 and 1,287,901.80

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Solution

The fourth proportional to 2,407,645.80, 3,615,615.90 and 1,287,901.80 is: 1,934,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407,645.80 : 3,615,615.90 = 1,287,901.80 : x
  2. Step 2: Convert to fraction form
    2,407,645.80/3,615,615.90 = 1,287,901.80/x
  3. Step 3: Cross multiply
    2,407,645.80x = 3,615,615.90 × 1,287,901.80
  4. Step 4: Simplify right side
    2,407,645.80x = 4,656,558,225,718.62
  5. Step 5: Solve for x
    x = 4,656,558,225,718.62/2,407,645.80
  6. Step 6: Final answer
    x = 1,934,071.13

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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.