Home / 2,285,904.64-3,428,616.40-938,209.76

Finding the Fourth Proportional to 2,285,904.64, 3,428,616.40 and 938,209.76

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Solution

The fourth proportional to 2,285,904.64, 3,428,616.40 and 938,209.76 is: 1,407,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,904.64 : 3,428,616.40 = 938,209.76 : x
  2. Step 2: Convert to fraction form
    2,285,904.64/3,428,616.40 = 938,209.76/x
  3. Step 3: Cross multiply
    2,285,904.64x = 3,428,616.40 × 938,209.76
  4. Step 4: Simplify right side
    2,285,904.64x = 3,216,761,369,776.06
  5. Step 5: Solve for x
    x = 3,216,761,369,776.06/2,285,904.64
  6. Step 6: Final answer
    x = 1,407,215.91

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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.