Home / 5,421,233.61-8,129,255.18-3,147,386.22

Finding the Fourth Proportional to 5,421,233.61, 8,129,255.18 and 3,147,386.22

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Solution

The fourth proportional to 5,421,233.61, 8,129,255.18 and 3,147,386.22 is: 4,719,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,233.61 : 8,129,255.18 = 3,147,386.22 : x
  2. Step 2: Convert to fraction form
    5,421,233.61/8,129,255.18 = 3,147,386.22/x
  3. Step 3: Cross multiply
    5,421,233.61x = 8,129,255.18 × 3,147,386.22
  4. Step 4: Simplify right side
    5,421,233.61x = 25,585,905,716,658.69
  5. Step 5: Solve for x
    x = 25,585,905,716,658.69/5,421,233.61
  6. Step 6: Final answer
    x = 4,719,572.62

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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.