Home / 5,128,967.15-7,077,281.33-2,924,114.39

Finding the Fourth Proportional to 5,128,967.15, 7,077,281.33 and 2,924,114.39

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Solution

The fourth proportional to 5,128,967.15, 7,077,281.33 and 2,924,114.39 is: 4,034,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,967.15 : 7,077,281.33 = 2,924,114.39 : x
  2. Step 2: Convert to fraction form
    5,128,967.15/7,077,281.33 = 2,924,114.39/x
  3. Step 3: Cross multiply
    5,128,967.15x = 7,077,281.33 × 2,924,114.39
  4. Step 4: Simplify right side
    5,128,967.15x = 20,694,780,164,510.77
  5. Step 5: Solve for x
    x = 20,694,780,164,510.77/5,128,967.15
  6. Step 6: Final answer
    x = 4,034,882.58

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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.