Home / 2,986,569.46-4,479,251.55-856,081.54

Finding the Fourth Proportional to 2,986,569.46, 4,479,251.55 and 856,081.54

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Solution

The fourth proportional to 2,986,569.46, 4,479,251.55 and 856,081.54 is: 1,283,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,569.46 : 4,479,251.55 = 856,081.54 : x
  2. Step 2: Convert to fraction form
    2,986,569.46/4,479,251.55 = 856,081.54/x
  3. Step 3: Cross multiply
    2,986,569.46x = 4,479,251.55 × 856,081.54
  4. Step 4: Simplify right side
    2,986,569.46x = 3,834,604,564,971.39
  5. Step 5: Solve for x
    x = 3,834,604,564,971.39/2,986,569.46
  6. Step 6: Final answer
    x = 1,283,949.57

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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.