Home / 2,866,756.79-3,956,125.22-1,577,597.21

Finding the Fourth Proportional to 2,866,756.79, 3,956,125.22 and 1,577,597.21

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Solution

The fourth proportional to 2,866,756.79, 3,956,125.22 and 1,577,597.21 is: 2,177,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,756.79 : 3,956,125.22 = 1,577,597.21 : x
  2. Step 2: Convert to fraction form
    2,866,756.79/3,956,125.22 = 1,577,597.21/x
  3. Step 3: Cross multiply
    2,866,756.79x = 3,956,125.22 × 1,577,597.21
  4. Step 4: Simplify right side
    2,866,756.79x = 6,241,172,102,565.48
  5. Step 5: Solve for x
    x = 6,241,172,102,565.48/2,866,756.79
  6. Step 6: Final answer
    x = 2,177,084.61

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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.