Home / 5,121,722.34-7,067,962.40-2,829,866.63

Finding the Fourth Proportional to 5,121,722.34, 7,067,962.40 and 2,829,866.63

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Solution

The fourth proportional to 5,121,722.34, 7,067,962.40 and 2,829,866.63 is: 3,905,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,722.34 : 7,067,962.40 = 2,829,866.63 : x
  2. Step 2: Convert to fraction form
    5,121,722.34/7,067,962.40 = 2,829,866.63/x
  3. Step 3: Cross multiply
    5,121,722.34x = 7,067,962.40 × 2,829,866.63
  4. Step 4: Simplify right side
    5,121,722.34x = 20,001,390,888,365.57
  5. Step 5: Solve for x
    x = 20,001,390,888,365.57/5,121,722.34
  6. Step 6: Final answer
    x = 3,905,207.97

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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.