Home / 2,765,275.28-3,817,819.08-2,119,478.48

Finding the Fourth Proportional to 2,765,275.28, 3,817,819.08 and 2,119,478.48

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Solution

The fourth proportional to 2,765,275.28, 3,817,819.08 and 2,119,478.48 is: 2,926,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,275.28 : 3,817,819.08 = 2,119,478.48 : x
  2. Step 2: Convert to fraction form
    2,765,275.28/3,817,819.08 = 2,119,478.48/x
  3. Step 3: Cross multiply
    2,765,275.28x = 3,817,819.08 × 2,119,478.48
  4. Step 4: Simplify right side
    2,765,275.28x = 8,091,785,380,593.40
  5. Step 5: Solve for x
    x = 8,091,785,380,593.40/2,765,275.28
  6. Step 6: Final answer
    x = 2,926,213.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.