Home / 1,981,440.89-2,971,224.50-767,586.06

Finding the Fourth Proportional to 1,981,440.89, 2,971,224.50 and 767,586.06

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Solution

The fourth proportional to 1,981,440.89, 2,971,224.50 and 767,586.06 is: 1,151,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,440.89 : 2,971,224.50 = 767,586.06 : x
  2. Step 2: Convert to fraction form
    1,981,440.89/2,971,224.50 = 767,586.06/x
  3. Step 3: Cross multiply
    1,981,440.89x = 2,971,224.50 × 767,586.06
  4. Step 4: Simplify right side
    1,981,440.89x = 2,280,670,507,330.47
  5. Step 5: Solve for x
    x = 2,280,670,507,330.47/1,981,440.89
  6. Step 6: Final answer
    x = 1,151,016.17

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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.