Home / 3,156,385.50-4,356,238.86-1,780,012.44

Finding the Fourth Proportional to 3,156,385.50, 4,356,238.86 and 1,780,012.44

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Solution

The fourth proportional to 3,156,385.50, 4,356,238.86 and 1,780,012.44 is: 2,456,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,385.50 : 4,356,238.86 = 1,780,012.44 : x
  2. Step 2: Convert to fraction form
    3,156,385.50/4,356,238.86 = 1,780,012.44/x
  3. Step 3: Cross multiply
    3,156,385.50x = 4,356,238.86 × 1,780,012.44
  4. Step 4: Simplify right side
    3,156,385.50x = 7,754,159,362,411.42
  5. Step 5: Solve for x
    x = 7,754,159,362,411.42/3,156,385.50
  6. Step 6: Final answer
    x = 2,456,657.90

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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.