Home / 2,187,008.60-3,282,153.15-1,121,502.20

Finding the Fourth Proportional to 2,187,008.60, 3,282,153.15 and 1,121,502.20

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Solution

The fourth proportional to 2,187,008.60, 3,282,153.15 and 1,121,502.20 is: 1,683,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,008.60 : 3,282,153.15 = 1,121,502.20 : x
  2. Step 2: Convert to fraction form
    2,187,008.60/3,282,153.15 = 1,121,502.20/x
  3. Step 3: Cross multiply
    2,187,008.60x = 3,282,153.15 × 1,121,502.20
  4. Step 4: Simplify right side
    2,187,008.60x = 3,680,941,978,461.93
  5. Step 5: Solve for x
    x = 3,680,941,978,461.93/2,187,008.60
  6. Step 6: Final answer
    x = 1,683,094.42

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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.