Home / 3,448,318.60-4,758,827.31-1,920,425.72

Finding the Fourth Proportional to 3,448,318.60, 4,758,827.31 and 1,920,425.72

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Solution

The fourth proportional to 3,448,318.60, 4,758,827.31 and 1,920,425.72 is: 2,650,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,318.60 : 4,758,827.31 = 1,920,425.72 : x
  2. Step 2: Convert to fraction form
    3,448,318.60/4,758,827.31 = 1,920,425.72/x
  3. Step 3: Cross multiply
    3,448,318.60x = 4,758,827.31 × 1,920,425.72
  4. Step 4: Simplify right side
    3,448,318.60x = 9,138,974,353,560.28
  5. Step 5: Solve for x
    x = 9,138,974,353,560.28/3,448,318.60
  6. Step 6: Final answer
    x = 2,650,269.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.