Home / 3,429,520.02-4,731,660.36-1,979,024.94

Finding the Fourth Proportional to 3,429,520.02, 4,731,660.36 and 1,979,024.94

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Solution

The fourth proportional to 3,429,520.02, 4,731,660.36 and 1,979,024.94 is: 2,730,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,520.02 : 4,731,660.36 = 1,979,024.94 : x
  2. Step 2: Convert to fraction form
    3,429,520.02/4,731,660.36 = 1,979,024.94/x
  3. Step 3: Cross multiply
    3,429,520.02x = 4,731,660.36 × 1,979,024.94
  4. Step 4: Simplify right side
    3,429,520.02x = 9,364,073,860,049.38
  5. Step 5: Solve for x
    x = 9,364,073,860,049.38/3,429,520.02
  6. Step 6: Final answer
    x = 2,730,432.77

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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.