Home / 7,098,649.02-10,649,769.03-1,981,078.02

Finding the Fourth Proportional to 7,098,649.02, 10,649,769.03 and 1,981,078.02

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Solution

The fourth proportional to 7,098,649.02, 10,649,769.03 and 1,981,078.02 is: 2,972,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,649.02 : 10,649,769.03 = 1,981,078.02 : x
  2. Step 2: Convert to fraction form
    7,098,649.02/10,649,769.03 = 1,981,078.02/x
  3. Step 3: Cross multiply
    7,098,649.02x = 10,649,769.03 × 1,981,078.02
  4. Step 4: Simplify right side
    7,098,649.02x = 21,098,023,343,409.72
  5. Step 5: Solve for x
    x = 21,098,023,343,409.72/7,098,649.02
  6. Step 6: Final answer
    x = 2,972,118.11

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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.