Home / 3,118,062.90-4,305,898.17-2,948,241.72

Finding the Fourth Proportional to 3,118,062.90, 4,305,898.17 and 2,948,241.72

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Solution

The fourth proportional to 3,118,062.90, 4,305,898.17 and 2,948,241.72 is: 4,071,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,062.90 : 4,305,898.17 = 2,948,241.72 : x
  2. Step 2: Convert to fraction form
    3,118,062.90/4,305,898.17 = 2,948,241.72/x
  3. Step 3: Cross multiply
    3,118,062.90x = 4,305,898.17 × 2,948,241.72
  4. Step 4: Simplify right side
    3,118,062.90x = 12,694,828,626,865.65
  5. Step 5: Solve for x
    x = 12,694,828,626,865.65/3,118,062.90
  6. Step 6: Final answer
    x = 4,071,383.11

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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.