Home / 3,117,600.80-4,676,530.80-987,637.76

Finding the Fourth Proportional to 3,117,600.80, 4,676,530.80 and 987,637.76

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Solution

The fourth proportional to 3,117,600.80, 4,676,530.80 and 987,637.76 is: 1,481,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,600.80 : 4,676,530.80 = 987,637.76 : x
  2. Step 2: Convert to fraction form
    3,117,600.80/4,676,530.80 = 987,637.76/x
  3. Step 3: Cross multiply
    3,117,600.80x = 4,676,530.80 × 987,637.76
  4. Step 4: Simplify right side
    3,117,600.80x = 4,618,718,403,883.01
  5. Step 5: Solve for x
    x = 4,618,718,403,883.01/3,117,600.80
  6. Step 6: Final answer
    x = 1,481,497.70

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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.