Home / 5,688,288.80-8,532,433.20-5,315,040.80

Finding the Fourth Proportional to 5,688,288.80, 8,532,433.20 and 5,315,040.80

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Solution

The fourth proportional to 5,688,288.80, 8,532,433.20 and 5,315,040.80 is: 7,972,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688,288.80 : 8,532,433.20 = 5,315,040.80 : x
  2. Step 2: Convert to fraction form
    5,688,288.80/8,532,433.20 = 5,315,040.80/x
  3. Step 3: Cross multiply
    5,688,288.80x = 8,532,433.20 × 5,315,040.80
  4. Step 4: Simplify right side
    5,688,288.80x = 45,350,230,581,274.55
  5. Step 5: Solve for x
    x = 45,350,230,581,274.55/5,688,288.80
  6. Step 6: Final answer
    x = 7,972,561.20

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Similar ratio
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1.5x scale

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.