Home / 3,102,081.71-4,280,769.97-1,725,386.47

Finding the Fourth Proportional to 3,102,081.71, 4,280,769.97 and 1,725,386.47

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Solution

The fourth proportional to 3,102,081.71, 4,280,769.97 and 1,725,386.47 is: 2,380,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,081.71 : 4,280,769.97 = 1,725,386.47 : x
  2. Step 2: Convert to fraction form
    3,102,081.71/4,280,769.97 = 1,725,386.47/x
  3. Step 3: Cross multiply
    3,102,081.71x = 4,280,769.97 × 1,725,386.47
  4. Step 4: Simplify right side
    3,102,081.71x = 7,385,982,572,404.92
  5. Step 5: Solve for x
    x = 7,385,982,572,404.92/3,102,081.71
  6. Step 6: Final answer
    x = 2,380,976.16

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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.