Home / 3,991,802.39-5,508,689.33-2,156,260.58

Finding the Fourth Proportional to 3,991,802.39, 5,508,689.33 and 2,156,260.58

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Solution

The fourth proportional to 3,991,802.39, 5,508,689.33 and 2,156,260.58 is: 2,975,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,802.39 : 5,508,689.33 = 2,156,260.58 : x
  2. Step 2: Convert to fraction form
    3,991,802.39/5,508,689.33 = 2,156,260.58/x
  3. Step 3: Cross multiply
    3,991,802.39x = 5,508,689.33 × 2,156,260.58
  4. Step 4: Simplify right side
    3,991,802.39x = 11,878,169,638,964.31
  5. Step 5: Solve for x
    x = 11,878,169,638,964.31/3,991,802.39
  6. Step 6: Final answer
    x = 2,975,640.70

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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.