Home / 3,438,218.70-5,157,328.05-3,144,285.90

Finding the Fourth Proportional to 3,438,218.70, 5,157,328.05 and 3,144,285.90

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Solution

The fourth proportional to 3,438,218.70, 5,157,328.05 and 3,144,285.90 is: 4,716,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,218.70 : 5,157,328.05 = 3,144,285.90 : x
  2. Step 2: Convert to fraction form
    3,438,218.70/5,157,328.05 = 3,144,285.90/x
  3. Step 3: Cross multiply
    3,438,218.70x = 5,157,328.05 × 3,144,285.90
  4. Step 4: Simplify right side
    3,438,218.70x = 16,216,113,869,289.49
  5. Step 5: Solve for x
    x = 16,216,113,869,289.49/3,438,218.70
  6. Step 6: Final answer
    x = 4,716,428.85

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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.