Home / 2,877,867.80-3,971,470.25-1,588,718.78

Finding the Fourth Proportional to 2,877,867.80, 3,971,470.25 and 1,588,718.78

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Solution

The fourth proportional to 2,877,867.80, 3,971,470.25 and 1,588,718.78 is: 2,192,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,867.80 : 3,971,470.25 = 1,588,718.78 : x
  2. Step 2: Convert to fraction form
    2,877,867.80/3,971,470.25 = 1,588,718.78/x
  3. Step 3: Cross multiply
    2,877,867.80x = 3,971,470.25 × 1,588,718.78
  4. Step 4: Simplify right side
    2,877,867.80x = 6,309,549,369,393.75
  5. Step 5: Solve for x
    x = 6,309,549,369,393.75/2,877,867.80
  6. Step 6: Final answer
    x = 2,192,438.92

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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.