Home / 5,128,967.89-7,077,282.36-2,924,115.14

Finding the Fourth Proportional to 5,128,967.89, 7,077,282.36 and 2,924,115.14

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Solution

The fourth proportional to 5,128,967.89, 7,077,282.36 and 2,924,115.14 is: 4,034,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,967.89 : 7,077,282.36 = 2,924,115.14 : x
  2. Step 2: Convert to fraction form
    5,128,967.89/7,077,282.36 = 2,924,115.14/x
  3. Step 3: Cross multiply
    5,128,967.89x = 7,077,282.36 × 2,924,115.14
  4. Step 4: Simplify right side
    5,128,967.89x = 20,694,788,498,930.93
  5. Step 5: Solve for x
    x = 20,694,788,498,930.93/5,128,967.89
  6. Step 6: Final answer
    x = 4,034,883.61

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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.