Home / 6,456,613.74-8,909,467.74-3,975,440.40

Finding the Fourth Proportional to 6,456,613.74, 8,909,467.74 and 3,975,440.40

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Solution

The fourth proportional to 6,456,613.74, 8,909,467.74 and 3,975,440.40 is: 5,485,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,613.74 : 8,909,467.74 = 3,975,440.40 : x
  2. Step 2: Convert to fraction form
    6,456,613.74/8,909,467.74 = 3,975,440.40/x
  3. Step 3: Cross multiply
    6,456,613.74x = 8,909,467.74 × 3,975,440.40
  4. Step 4: Simplify right side
    6,456,613.74x = 35,419,057,996,092.70
  5. Step 5: Solve for x
    x = 35,419,057,996,092.70/6,456,613.74
  6. Step 6: Final answer
    x = 5,485,701.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.