Home / 5,146,761.34-7,720,207.71-1,360,211.50

Finding the Fourth Proportional to 5,146,761.34, 7,720,207.71 and 1,360,211.50

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Solution

The fourth proportional to 5,146,761.34, 7,720,207.71 and 1,360,211.50 is: 2,040,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146,761.34 : 7,720,207.71 = 1,360,211.50 : x
  2. Step 2: Convert to fraction form
    5,146,761.34/7,720,207.71 = 1,360,211.50/x
  3. Step 3: Cross multiply
    5,146,761.34x = 7,720,207.71 × 1,360,211.50
  4. Step 4: Simplify right side
    5,146,761.34x = 10,501,115,309,530.66
  5. Step 5: Solve for x
    x = 10,501,115,309,530.66/5,146,761.34
  6. Step 6: Final answer
    x = 2,040,334.61

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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.