Home / 3,072,939.90-4,609,409.85-2,915,475.90

Finding the Fourth Proportional to 3,072,939.90, 4,609,409.85 and 2,915,475.90

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Solution

The fourth proportional to 3,072,939.90, 4,609,409.85 and 2,915,475.90 is: 4,373,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,939.90 : 4,609,409.85 = 2,915,475.90 : x
  2. Step 2: Convert to fraction form
    3,072,939.90/4,609,409.85 = 2,915,475.90/x
  3. Step 3: Cross multiply
    3,072,939.90x = 4,609,409.85 × 2,915,475.90
  4. Step 4: Simplify right side
    3,072,939.90x = 13,438,623,330,897.61
  5. Step 5: Solve for x
    x = 13,438,623,330,897.61/3,072,939.90
  6. Step 6: Final answer
    x = 4,373,213.85

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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.