Home / 4,720,511.80-7,079,031.46-1,687,057.76

Finding the Fourth Proportional to 4,720,511.80, 7,079,031.46 and 1,687,057.76

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Solution

The fourth proportional to 4,720,511.80, 7,079,031.46 and 1,687,057.76 is: 2,529,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720,511.80 : 7,079,031.46 = 1,687,057.76 : x
  2. Step 2: Convert to fraction form
    4,720,511.80/7,079,031.46 = 1,687,057.76/x
  3. Step 3: Cross multiply
    4,720,511.80x = 7,079,031.46 × 1,687,057.76
  4. Step 4: Simplify right side
    4,720,511.80x = 11,942,734,957,877.13
  5. Step 5: Solve for x
    x = 11,942,734,957,877.13/4,720,511.80
  6. Step 6: Final answer
    x = 2,529,966.13

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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.