Home / 2,912,139.52-4,368,209.28-890,383.46

Finding the Fourth Proportional to 2,912,139.52, 4,368,209.28 and 890,383.46

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Solution

The fourth proportional to 2,912,139.52, 4,368,209.28 and 890,383.46 is: 1,335,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,139.52 : 4,368,209.28 = 890,383.46 : x
  2. Step 2: Convert to fraction form
    2,912,139.52/4,368,209.28 = 890,383.46/x
  3. Step 3: Cross multiply
    2,912,139.52x = 4,368,209.28 × 890,383.46
  4. Step 4: Simplify right side
    2,912,139.52x = 3,889,381,292,730.51
  5. Step 5: Solve for x
    x = 3,889,381,292,730.51/2,912,139.52
  6. Step 6: Final answer
    x = 1,335,575.19

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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.