Home / 3,692,920.60-5,097,080.72-2,165,519.80

Finding the Fourth Proportional to 3,692,920.60, 5,097,080.72 and 2,165,519.80

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Solution

The fourth proportional to 3,692,920.60, 5,097,080.72 and 2,165,519.80 is: 2,988,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692,920.60 : 5,097,080.72 = 2,165,519.80 : x
  2. Step 2: Convert to fraction form
    3,692,920.60/5,097,080.72 = 2,165,519.80/x
  3. Step 3: Cross multiply
    3,692,920.60x = 5,097,080.72 × 2,165,519.80
  4. Step 4: Simplify right side
    3,692,920.60x = 11,037,829,221,358.25
  5. Step 5: Solve for x
    x = 11,037,829,221,358.25/3,692,920.60
  6. Step 6: Final answer
    x = 2,988,915.93

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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.