Home / 5,425,856.20-8,140,080.30-1,639,376.20

Finding the Fourth Proportional to 5,425,856.20, 8,140,080.30 and 1,639,376.20

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Solution

The fourth proportional to 5,425,856.20, 8,140,080.30 and 1,639,376.20 is: 2,459,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,856.20 : 8,140,080.30 = 1,639,376.20 : x
  2. Step 2: Convert to fraction form
    5,425,856.20/8,140,080.30 = 1,639,376.20/x
  3. Step 3: Cross multiply
    5,425,856.20x = 8,140,080.30 × 1,639,376.20
  4. Step 4: Simplify right side
    5,425,856.20x = 13,344,653,909,908.86
  5. Step 5: Solve for x
    x = 13,344,653,909,908.86/5,425,856.20
  6. Step 6: Final answer
    x = 2,459,455.88

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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.