Home / 2,257,541.28-3,386,829.08-978,363.52

Finding the Fourth Proportional to 2,257,541.28, 3,386,829.08 and 978,363.52

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Solution

The fourth proportional to 2,257,541.28, 3,386,829.08 and 978,363.52 is: 1,467,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,541.28 : 3,386,829.08 = 978,363.52 : x
  2. Step 2: Convert to fraction form
    2,257,541.28/3,386,829.08 = 978,363.52/x
  3. Step 3: Cross multiply
    2,257,541.28x = 3,386,829.08 × 978,363.52
  4. Step 4: Simplify right side
    2,257,541.28x = 3,313,550,020,347.16
  5. Step 5: Solve for x
    x = 3,313,550,020,347.16/2,257,541.28
  6. Step 6: Final answer
    x = 1,467,769.40

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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.