Home / 1,981,439.89-2,971,223.00-767,585.06

Finding the Fourth Proportional to 1,981,439.89, 2,971,223.00 and 767,585.06

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Solution

The fourth proportional to 1,981,439.89, 2,971,223.00 and 767,585.06 is: 1,151,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,439.89 : 2,971,223.00 = 767,585.06 : x
  2. Step 2: Convert to fraction form
    1,981,439.89/2,971,223.00 = 767,585.06/x
  3. Step 3: Cross multiply
    1,981,439.89x = 2,971,223.00 × 767,585.06
  4. Step 4: Simplify right side
    1,981,439.89x = 2,280,666,380,054.87
  5. Step 5: Solve for x
    x = 2,280,666,380,054.87/1,981,439.89
  6. Step 6: Final answer
    x = 1,151,014.67

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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.