Home / 3,657,985.98-5,036,503.68-3,105,609.11

Finding the Fourth Proportional to 3,657,985.98, 5,036,503.68 and 3,105,609.11

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Solution

The fourth proportional to 3,657,985.98, 5,036,503.68 and 3,105,609.11 is: 4,275,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657,985.98 : 5,036,503.68 = 3,105,609.11 : x
  2. Step 2: Convert to fraction form
    3,657,985.98/5,036,503.68 = 3,105,609.11/x
  3. Step 3: Cross multiply
    3,657,985.98x = 5,036,503.68 × 3,105,609.11
  4. Step 4: Simplify right side
    3,657,985.98x = 15,641,411,711,156.52
  5. Step 5: Solve for x
    x = 15,641,411,711,156.52/3,657,985.98
  6. Step 6: Final answer
    x = 4,275,962.73

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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.