Home / 1,981,433.40-2,970,181.80-914,614.80

Finding the Fourth Proportional to 1,981,433.40, 2,970,181.80 and 914,614.80

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Solution

The fourth proportional to 1,981,433.40, 2,970,181.80 and 914,614.80 is: 1,371,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,433.40 : 2,970,181.80 = 914,614.80 : x
  2. Step 2: Convert to fraction form
    1,981,433.40/2,970,181.80 = 914,614.80/x
  3. Step 3: Cross multiply
    1,981,433.40x = 2,970,181.80 × 914,614.80
  4. Step 4: Simplify right side
    1,981,433.40x = 2,716,572,232,970.64
  5. Step 5: Solve for x
    x = 2,716,572,232,970.64/1,981,433.40
  6. Step 6: Final answer
    x = 1,371,013.65

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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.