Home / 2,801,462.40-4,202,193.60-2,780,467.20

Finding the Fourth Proportional to 2,801,462.40, 4,202,193.60 and 2,780,467.20

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Solution

The fourth proportional to 2,801,462.40, 4,202,193.60 and 2,780,467.20 is: 4,170,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,462.40 : 4,202,193.60 = 2,780,467.20 : x
  2. Step 2: Convert to fraction form
    2,801,462.40/4,202,193.60 = 2,780,467.20/x
  3. Step 3: Cross multiply
    2,801,462.40x = 4,202,193.60 × 2,780,467.20
  4. Step 4: Simplify right side
    2,801,462.40x = 11,684,061,472,849.92
  5. Step 5: Solve for x
    x = 11,684,061,472,849.92/2,801,462.40
  6. Step 6: Final answer
    x = 4,170,700.80

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1.5x scale

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.