Home / 5,425,824.20-8,140,032.30-1,639,344.20

Finding the Fourth Proportional to 5,425,824.20, 8,140,032.30 and 1,639,344.20

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Solution

The fourth proportional to 5,425,824.20, 8,140,032.30 and 1,639,344.20 is: 2,459,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,824.20 : 8,140,032.30 = 1,639,344.20 : x
  2. Step 2: Convert to fraction form
    5,425,824.20/8,140,032.30 = 1,639,344.20/x
  3. Step 3: Cross multiply
    5,425,824.20x = 8,140,032.30 × 1,639,344.20
  4. Step 4: Simplify right side
    5,425,824.20x = 13,344,314,738,817.66
  5. Step 5: Solve for x
    x = 13,344,314,738,817.66/5,425,824.20
  6. Step 6: Final answer
    x = 2,459,407.87

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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.