Home / 5,390,143.20-8,086,381.20-1,604,008.80

Finding the Fourth Proportional to 5,390,143.20, 8,086,381.20 and 1,604,008.80

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Solution

The fourth proportional to 5,390,143.20, 8,086,381.20 and 1,604,008.80 is: 2,406,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,143.20 : 8,086,381.20 = 1,604,008.80 : x
  2. Step 2: Convert to fraction form
    5,390,143.20/8,086,381.20 = 1,604,008.80/x
  3. Step 3: Cross multiply
    5,390,143.20x = 8,086,381.20 × 1,604,008.80
  4. Step 4: Simplify right side
    5,390,143.20x = 12,970,626,604,954.56
  5. Step 5: Solve for x
    x = 12,970,626,604,954.56/5,390,143.20
  6. Step 6: Final answer
    x = 2,406,360.30

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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.