Home / 3,259,107.60-4,888,848.33-862,890

Finding the Fourth Proportional to 3,259,107.60, 4,888,848.33 and 862,890

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Solution

The fourth proportional to 3,259,107.60, 4,888,848.33 and 862,890 is: 1,294,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,107.60 : 4,888,848.33 = 862,890 : x
  2. Step 2: Convert to fraction form
    3,259,107.60/4,888,848.33 = 862,890/x
  3. Step 3: Cross multiply
    3,259,107.60x = 4,888,848.33 × 862,890
  4. Step 4: Simplify right side
    3,259,107.60x = 4,218,538,335,473.70
  5. Step 5: Solve for x
    x = 4,218,538,335,473.70/3,259,107.60
  6. Step 6: Final answer
    x = 1,294,384.49

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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.