Home / 3,162,781.74-4,364,640.86-1,712,478.16

Finding the Fourth Proportional to 3,162,781.74, 4,364,640.86 and 1,712,478.16

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Solution

The fourth proportional to 3,162,781.74, 4,364,640.86 and 1,712,478.16 is: 2,363,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,781.74 : 4,364,640.86 = 1,712,478.16 : x
  2. Step 2: Convert to fraction form
    3,162,781.74/4,364,640.86 = 1,712,478.16/x
  3. Step 3: Cross multiply
    3,162,781.74x = 4,364,640.86 × 1,712,478.16
  4. Step 4: Simplify right side
    3,162,781.74x = 7,474,352,142,363.21
  5. Step 5: Solve for x
    x = 7,474,352,142,363.21/3,162,781.74
  6. Step 6: Final answer
    x = 2,363,220.97

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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.