Home / 2,586,357.96-3,879,770.68-988,934.89

Finding the Fourth Proportional to 2,586,357.96, 3,879,770.68 and 988,934.89

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Solution

The fourth proportional to 2,586,357.96, 3,879,770.68 and 988,934.89 is: 1,483,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,357.96 : 3,879,770.68 = 988,934.89 : x
  2. Step 2: Convert to fraction form
    2,586,357.96/3,879,770.68 = 988,934.89/x
  3. Step 3: Cross multiply
    2,586,357.96x = 3,879,770.68 × 988,934.89
  4. Step 4: Simplify right side
    2,586,357.96x = 3,836,840,576,006.92
  5. Step 5: Solve for x
    x = 3,836,840,576,006.92/2,586,357.96
  6. Step 6: Final answer
    x = 1,483,491.70

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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.