Home / 2,278,117.10-3,144,592.66-1,311,632.59

Finding the Fourth Proportional to 2,278,117.10, 3,144,592.66 and 1,311,632.59

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Solution

The fourth proportional to 2,278,117.10, 3,144,592.66 and 1,311,632.59 is: 1,810,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,117.10 : 3,144,592.66 = 1,311,632.59 : x
  2. Step 2: Convert to fraction form
    2,278,117.10/3,144,592.66 = 1,311,632.59/x
  3. Step 3: Cross multiply
    2,278,117.10x = 3,144,592.66 × 1,311,632.59
  4. Step 4: Simplify right side
    2,278,117.10x = 4,124,550,203,990.23
  5. Step 5: Solve for x
    x = 4,124,550,203,990.23/2,278,117.10
  6. Step 6: Final answer
    x = 1,810,508.43

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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.