Home / 2,124,968.60-3,188,391.96-1,113,848.79

Finding the Fourth Proportional to 2,124,968.60, 3,188,391.96 and 1,113,848.79

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Solution

The fourth proportional to 2,124,968.60, 3,188,391.96 and 1,113,848.79 is: 1,671,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,968.60 : 3,188,391.96 = 1,113,848.79 : x
  2. Step 2: Convert to fraction form
    2,124,968.60/3,188,391.96 = 1,113,848.79/x
  3. Step 3: Cross multiply
    2,124,968.60x = 3,188,391.96 × 1,113,848.79
  4. Step 4: Simplify right side
    2,124,968.60x = 3,551,386,526,691.73
  5. Step 5: Solve for x
    x = 3,551,386,526,691.73/2,124,968.60
  6. Step 6: Final answer
    x = 1,671,265.42

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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.