Home / 2,275,445.61-3,412,577.79-909,162.45

Finding the Fourth Proportional to 2,275,445.61, 3,412,577.79 and 909,162.45

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Solution

The fourth proportional to 2,275,445.61, 3,412,577.79 and 909,162.45 is: 1,363,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,445.61 : 3,412,577.79 = 909,162.45 : x
  2. Step 2: Convert to fraction form
    2,275,445.61/3,412,577.79 = 909,162.45/x
  3. Step 3: Cross multiply
    2,275,445.61x = 3,412,577.79 × 909,162.45
  4. Step 4: Simplify right side
    2,275,445.61x = 3,102,587,584,371.99
  5. Step 5: Solve for x
    x = 3,102,587,584,371.99/2,275,445.61
  6. Step 6: Final answer
    x = 1,363,507.69

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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.