Home / 2,486,820.40-3,730,230.60-689,700.40

Finding the Fourth Proportional to 2,486,820.40, 3,730,230.60 and 689,700.40

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Solution

The fourth proportional to 2,486,820.40, 3,730,230.60 and 689,700.40 is: 1,034,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,820.40 : 3,730,230.60 = 689,700.40 : x
  2. Step 2: Convert to fraction form
    2,486,820.40/3,730,230.60 = 689,700.40/x
  3. Step 3: Cross multiply
    2,486,820.40x = 3,730,230.60 × 689,700.40
  4. Step 4: Simplify right side
    2,486,820.40x = 2,572,741,536,912.24
  5. Step 5: Solve for x
    x = 2,572,741,536,912.24/2,486,820.40
  6. Step 6: Final answer
    x = 1,034,550.60

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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.