Home / 2,727,386.39-4,092,077.18-1,269,128.31

Finding the Fourth Proportional to 2,727,386.39, 4,092,077.18 and 1,269,128.31

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Solution

The fourth proportional to 2,727,386.39, 4,092,077.18 and 1,269,128.31 is: 1,904,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727,386.39 : 4,092,077.18 = 1,269,128.31 : x
  2. Step 2: Convert to fraction form
    2,727,386.39/4,092,077.18 = 1,269,128.31/x
  3. Step 3: Cross multiply
    2,727,386.39x = 4,092,077.18 × 1,269,128.31
  4. Step 4: Simplify right side
    2,727,386.39x = 5,193,370,995,842.97
  5. Step 5: Solve for x
    x = 5,193,370,995,842.97/2,727,386.39
  6. Step 6: Final answer
    x = 1,904,156.67

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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.