Home / 3,153,315-4,351,574.70-1,722,531

Finding the Fourth Proportional to 3,153,315, 4,351,574.70 and 1,722,531

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Solution

The fourth proportional to 3,153,315, 4,351,574.70 and 1,722,531 is: 2,377,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,315 : 4,351,574.70 = 1,722,531 : x
  2. Step 2: Convert to fraction form
    3,153,315/4,351,574.70 = 1,722,531/x
  3. Step 3: Cross multiply
    3,153,315x = 4,351,574.70 × 1,722,531
  4. Step 4: Simplify right side
    3,153,315x = 7,495,722,319,565.70
  5. Step 5: Solve for x
    x = 7,495,722,319,565.70/3,153,315
  6. Step 6: Final answer
    x = 2,377,092.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.