Home / 2,911,478.28-4,017,786.21-1,586,913.43

Finding the Fourth Proportional to 2,911,478.28, 4,017,786.21 and 1,586,913.43

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Solution

The fourth proportional to 2,911,478.28, 4,017,786.21 and 1,586,913.43 is: 2,189,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,478.28 : 4,017,786.21 = 1,586,913.43 : x
  2. Step 2: Convert to fraction form
    2,911,478.28/4,017,786.21 = 1,586,913.43/x
  3. Step 3: Cross multiply
    2,911,478.28x = 4,017,786.21 × 1,586,913.43
  4. Step 4: Simplify right side
    2,911,478.28x = 6,375,878,895,517.80
  5. Step 5: Solve for x
    x = 6,375,878,895,517.80/2,911,478.28
  6. Step 6: Final answer
    x = 2,189,911.20

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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.