Home / 2,896,531.20-4,339,612.80-1,397,318.40

Finding the Fourth Proportional to 2,896,531.20, 4,339,612.80 and 1,397,318.40

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Solution

The fourth proportional to 2,896,531.20, 4,339,612.80 and 1,397,318.40 is: 2,093,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,531.20 : 4,339,612.80 = 1,397,318.40 : x
  2. Step 2: Convert to fraction form
    2,896,531.20/4,339,612.80 = 1,397,318.40/x
  3. Step 3: Cross multiply
    2,896,531.20x = 4,339,612.80 × 1,397,318.40
  4. Step 4: Simplify right side
    2,896,531.20x = 6,063,820,814,315.52
  5. Step 5: Solve for x
    x = 6,063,820,814,315.52/2,896,531.20
  6. Step 6: Final answer
    x = 2,093,476.78

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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.