Home / 1,986,697.06-2,980,489.82-724,524.69

Finding the Fourth Proportional to 1,986,697.06, 2,980,489.82 and 724,524.69

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Solution

The fourth proportional to 1,986,697.06, 2,980,489.82 and 724,524.69 is: 1,086,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,697.06 : 2,980,489.82 = 724,524.69 : x
  2. Step 2: Convert to fraction form
    1,986,697.06/2,980,489.82 = 724,524.69/x
  3. Step 3: Cross multiply
    1,986,697.06x = 2,980,489.82 × 724,524.69
  4. Step 4: Simplify right side
    1,986,697.06x = 2,159,438,457,748.07
  5. Step 5: Solve for x
    x = 2,159,438,457,748.07/1,986,697.06
  6. Step 6: Final answer
    x = 1,086,949.04

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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.