Home / 2,142,278.85-2,956,344.57-1,224,527.61

Finding the Fourth Proportional to 2,142,278.85, 2,956,344.57 and 1,224,527.61

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Solution

The fourth proportional to 2,142,278.85, 2,956,344.57 and 1,224,527.61 is: 1,689,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,278.85 : 2,956,344.57 = 1,224,527.61 : x
  2. Step 2: Convert to fraction form
    2,142,278.85/2,956,344.57 = 1,224,527.61/x
  3. Step 3: Cross multiply
    2,142,278.85x = 2,956,344.57 × 1,224,527.61
  4. Step 4: Simplify right side
    2,142,278.85x = 3,620,125,550,638.58
  5. Step 5: Solve for x
    x = 3,620,125,550,638.58/2,142,278.85
  6. Step 6: Final answer
    x = 1,689,847.96

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1.5x scale

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.