Home / 2,915,780.40-4,373,670.60-1,851,586.20

Finding the Fourth Proportional to 2,915,780.40, 4,373,670.60 and 1,851,586.20

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Solution

The fourth proportional to 2,915,780.40, 4,373,670.60 and 1,851,586.20 is: 2,777,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,780.40 : 4,373,670.60 = 1,851,586.20 : x
  2. Step 2: Convert to fraction form
    2,915,780.40/4,373,670.60 = 1,851,586.20/x
  3. Step 3: Cross multiply
    2,915,780.40x = 4,373,670.60 × 1,851,586.20
  4. Step 4: Simplify right side
    2,915,780.40x = 8,098,228,126,305.72
  5. Step 5: Solve for x
    x = 8,098,228,126,305.72/2,915,780.40
  6. Step 6: Final answer
    x = 2,777,379.30

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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.