Home / 2,812,308.32-4,218,659.76-1,129,412

Finding the Fourth Proportional to 2,812,308.32, 4,218,659.76 and 1,129,412

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Solution

The fourth proportional to 2,812,308.32, 4,218,659.76 and 1,129,412 is: 1,694,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,308.32 : 4,218,659.76 = 1,129,412 : x
  2. Step 2: Convert to fraction form
    2,812,308.32/4,218,659.76 = 1,129,412/x
  3. Step 3: Cross multiply
    2,812,308.32x = 4,218,659.76 × 1,129,412
  4. Step 4: Simplify right side
    2,812,308.32x = 4,764,604,956,861.12
  5. Step 5: Solve for x
    x = 4,764,604,956,861.12/2,812,308.32
  6. Step 6: Final answer
    x = 1,694,197.23

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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.