Home / 1,981,441.89-2,971,226-767,587.06

Finding the Fourth Proportional to 1,981,441.89, 2,971,226 and 767,587.06

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Solution

The fourth proportional to 1,981,441.89, 2,971,226 and 767,587.06 is: 1,151,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,441.89 : 2,971,226 = 767,587.06 : x
  2. Step 2: Convert to fraction form
    1,981,441.89/2,971,226 = 767,587.06/x
  3. Step 3: Cross multiply
    1,981,441.89x = 2,971,226 × 767,587.06
  4. Step 4: Simplify right side
    1,981,441.89x = 2,280,674,629,935.56
  5. Step 5: Solve for x
    x = 2,280,674,629,935.56/1,981,441.89
  6. Step 6: Final answer
    x = 1,151,017.67

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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.