Home / 3,876,470.10-5,815,580.11-1,282,768.22

Finding the Fourth Proportional to 3,876,470.10, 5,815,580.11 and 1,282,768.22

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Solution

The fourth proportional to 3,876,470.10, 5,815,580.11 and 1,282,768.22 is: 1,924,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,470.10 : 5,815,580.11 = 1,282,768.22 : x
  2. Step 2: Convert to fraction form
    3,876,470.10/5,815,580.11 = 1,282,768.22/x
  3. Step 3: Cross multiply
    3,876,470.10x = 5,815,580.11 × 1,282,768.22
  4. Step 4: Simplify right side
    3,876,470.10x = 7,460,041,357,304.13
  5. Step 5: Solve for x
    x = 7,460,041,357,304.13/3,876,470.10
  6. Step 6: Final answer
    x = 1,924,441.87

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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.