Home / 2,675,561.80-4,013,342.70-1,255,761.40

Finding the Fourth Proportional to 2,675,561.80, 4,013,342.70 and 1,255,761.40

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Solution

The fourth proportional to 2,675,561.80, 4,013,342.70 and 1,255,761.40 is: 1,883,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675,561.80 : 4,013,342.70 = 1,255,761.40 : x
  2. Step 2: Convert to fraction form
    2,675,561.80/4,013,342.70 = 1,255,761.40/x
  3. Step 3: Cross multiply
    2,675,561.80x = 4,013,342.70 × 1,255,761.40
  4. Step 4: Simplify right side
    2,675,561.80x = 5,039,800,847,631.78
  5. Step 5: Solve for x
    x = 5,039,800,847,631.78/2,675,561.80
  6. Step 6: Final answer
    x = 1,883,642.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.