Home / 6,601,921.20-9,918,628.20-5,909,079.60

Finding the Fourth Proportional to 6,601,921.20, 9,918,628.20 and 5,909,079.60

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Solution

The fourth proportional to 6,601,921.20, 9,918,628.20 and 5,909,079.60 is: 8,877,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601,921.20 : 9,918,628.20 = 5,909,079.60 : x
  2. Step 2: Convert to fraction form
    6,601,921.20/9,918,628.20 = 5,909,079.60/x
  3. Step 3: Cross multiply
    6,601,921.20x = 9,918,628.20 × 5,909,079.60
  4. Step 4: Simplify right side
    6,601,921.20x = 58,609,963,556,604.71
  5. Step 5: Solve for x
    x = 58,609,963,556,604.71/6,601,921.20
  6. Step 6: Final answer
    x = 8,877,713.29

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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.