Home / 4,278,667.10-6,417,951.21-1,040,223.11

Finding the Fourth Proportional to 4,278,667.10, 6,417,951.21 and 1,040,223.11

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Solution

The fourth proportional to 4,278,667.10, 6,417,951.21 and 1,040,223.11 is: 1,560,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,667.10 : 6,417,951.21 = 1,040,223.11 : x
  2. Step 2: Convert to fraction form
    4,278,667.10/6,417,951.21 = 1,040,223.11/x
  3. Step 3: Cross multiply
    4,278,667.10x = 6,417,951.21 × 1,040,223.11
  4. Step 4: Simplify right side
    4,278,667.10x = 6,676,101,135,404.71
  5. Step 5: Solve for x
    x = 6,676,101,135,404.71/4,278,667.10
  6. Step 6: Final answer
    x = 1,560,322.64

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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.