Home / 3,156,205.05-4,355,648.51-1,932,487.29

Finding the Fourth Proportional to 3,156,205.05, 4,355,648.51 and 1,932,487.29

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Solution

The fourth proportional to 3,156,205.05, 4,355,648.51 and 1,932,487.29 is: 2,666,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,205.05 : 4,355,648.51 = 1,932,487.29 : x
  2. Step 2: Convert to fraction form
    3,156,205.05/4,355,648.51 = 1,932,487.29/x
  3. Step 3: Cross multiply
    3,156,205.05x = 4,355,648.51 × 1,932,487.29
  4. Step 4: Simplify right side
    3,156,205.05x = 8,417,235,375,620.00
  5. Step 5: Solve for x
    x = 8,417,235,375,620.00/3,156,205.05
  6. Step 6: Final answer
    x = 2,666,884.83

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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.