Home / 3,512,361.65-5,268,140-918,916.77

Finding the Fourth Proportional to 3,512,361.65, 5,268,140 and 918,916.77

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Solution

The fourth proportional to 3,512,361.65, 5,268,140 and 918,916.77 is: 1,378,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,361.65 : 5,268,140 = 918,916.77 : x
  2. Step 2: Convert to fraction form
    3,512,361.65/5,268,140 = 918,916.77/x
  3. Step 3: Cross multiply
    3,512,361.65x = 5,268,140 × 918,916.77
  4. Step 4: Simplify right side
    3,512,361.65x = 4,840,982,192,707.80
  5. Step 5: Solve for x
    x = 4,840,982,192,707.80/3,512,361.65
  6. Step 6: Final answer
    x = 1,378,269.86

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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.