Home / 2,715,079.80-4,065,621.30-2,155,207.80

Finding the Fourth Proportional to 2,715,079.80, 4,065,621.30 and 2,155,207.80

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Solution

The fourth proportional to 2,715,079.80, 4,065,621.30 and 2,155,207.80 is: 3,227,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,079.80 : 4,065,621.30 = 2,155,207.80 : x
  2. Step 2: Convert to fraction form
    2,715,079.80/4,065,621.30 = 2,155,207.80/x
  3. Step 3: Cross multiply
    2,715,079.80x = 4,065,621.30 × 2,155,207.80
  4. Step 4: Simplify right side
    2,715,079.80x = 8,762,258,737,606.14
  5. Step 5: Solve for x
    x = 8,762,258,737,606.14/2,715,079.80
  6. Step 6: Final answer
    x = 3,227,256.43

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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.