Home / 6,929,020.60-10,388,001.30-2,936,649.40

Finding the Fourth Proportional to 6,929,020.60, 10,388,001.30 and 2,936,649.40

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Solution

The fourth proportional to 6,929,020.60, 10,388,001.30 and 2,936,649.40 is: 4,402,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929,020.60 : 10,388,001.30 = 2,936,649.40 : x
  2. Step 2: Convert to fraction form
    6,929,020.60/10,388,001.30 = 2,936,649.40/x
  3. Step 3: Cross multiply
    6,929,020.60x = 10,388,001.30 × 2,936,649.40
  4. Step 4: Simplify right side
    6,929,020.60x = 30,505,917,784,844.22
  5. Step 5: Solve for x
    x = 30,505,917,784,844.22/6,929,020.60
  6. Step 6: Final answer
    x = 4,402,630.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.