Home / 1,990,252.86-2,744,378.46-1,344,551.91

Finding the Fourth Proportional to 1,990,252.86, 2,744,378.46 and 1,344,551.91

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Solution

The fourth proportional to 1,990,252.86, 2,744,378.46 and 1,344,551.91 is: 1,854,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,252.86 : 2,744,378.46 = 1,344,551.91 : x
  2. Step 2: Convert to fraction form
    1,990,252.86/2,744,378.46 = 1,344,551.91/x
  3. Step 3: Cross multiply
    1,990,252.86x = 2,744,378.46 × 1,344,551.91
  4. Step 4: Simplify right side
    1,990,252.86x = 3,689,959,300,155.86
  5. Step 5: Solve for x
    x = 3,689,959,300,155.86/1,990,252.86
  6. Step 6: Final answer
    x = 1,854,015.32

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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.