Home / 3,117,670.80-4,676,635.92-987,707.76

Finding the Fourth Proportional to 3,117,670.80, 4,676,635.92 and 987,707.76

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Solution

The fourth proportional to 3,117,670.80, 4,676,635.92 and 987,707.76 is: 1,481,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,670.80 : 4,676,635.92 = 987,707.76 : x
  2. Step 2: Convert to fraction form
    3,117,670.80/4,676,635.92 = 987,707.76/x
  3. Step 3: Cross multiply
    3,117,670.80x = 4,676,635.92 × 987,707.76
  4. Step 4: Simplify right side
    3,117,670.80x = 4,619,149,588,878.74
  5. Step 5: Solve for x
    x = 4,619,149,588,878.74/3,117,670.80
  6. Step 6: Final answer
    x = 1,481,602.74

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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.