Home / 6,387,971.85-8,815,534.56-3,487,484.97

Finding the Fourth Proportional to 6,387,971.85, 8,815,534.56 and 3,487,484.97

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Solution

The fourth proportional to 6,387,971.85, 8,815,534.56 and 3,487,484.97 is: 4,812,802.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,971.85 : 8,815,534.56 = 3,487,484.97 : x
  2. Step 2: Convert to fraction form
    6,387,971.85/8,815,534.56 = 3,487,484.97/x
  3. Step 3: Cross multiply
    6,387,971.85x = 8,815,534.56 × 3,487,484.97
  4. Step 4: Simplify right side
    6,387,971.85x = 30,744,044,280,515.57
  5. Step 5: Solve for x
    x = 30,744,044,280,515.57/6,387,971.85
  6. Step 6: Final answer
    x = 4,812,802.09

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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.