Home / 2,659,403.20-3,989,002.40-886,475.20

Finding the Fourth Proportional to 2,659,403.20, 3,989,002.40 and 886,475.20

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Solution

The fourth proportional to 2,659,403.20, 3,989,002.40 and 886,475.20 is: 1,329,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,403.20 : 3,989,002.40 = 886,475.20 : x
  2. Step 2: Convert to fraction form
    2,659,403.20/3,989,002.40 = 886,475.20/x
  3. Step 3: Cross multiply
    2,659,403.20x = 3,989,002.40 × 886,475.20
  4. Step 4: Simplify right side
    2,659,403.20x = 3,536,151,700,340.48
  5. Step 5: Solve for x
    x = 3,536,151,700,340.48/2,659,403.20
  6. Step 6: Final answer
    x = 1,329,678.67

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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.