Home / 3,987,089.40-5,981,549.94-1,147,225.08

Finding the Fourth Proportional to 3,987,089.40, 5,981,549.94 and 1,147,225.08

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Solution

The fourth proportional to 3,987,089.40, 5,981,549.94 and 1,147,225.08 is: 1,721,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,089.40 : 5,981,549.94 = 1,147,225.08 : x
  2. Step 2: Convert to fraction form
    3,987,089.40/5,981,549.94 = 1,147,225.08/x
  3. Step 3: Cross multiply
    3,987,089.40x = 5,981,549.94 × 1,147,225.08
  4. Step 4: Simplify right side
    3,987,089.40x = 6,862,184,108,440.50
  5. Step 5: Solve for x
    x = 6,862,184,108,440.50/3,987,089.40
  6. Step 6: Final answer
    x = 1,721,101.14

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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.