Home / 2,143,292.85-2,957,774.81-1,176,405.57

Finding the Fourth Proportional to 2,143,292.85, 2,957,774.81 and 1,176,405.57

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Solution

The fourth proportional to 2,143,292.85, 2,957,774.81 and 1,176,405.57 is: 1,623,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,292.85 : 2,957,774.81 = 1,176,405.57 : x
  2. Step 2: Convert to fraction form
    2,143,292.85/2,957,774.81 = 1,176,405.57/x
  3. Step 3: Cross multiply
    2,143,292.85x = 2,957,774.81 × 1,176,405.57
  4. Step 4: Simplify right side
    2,143,292.85x = 3,479,542,755,407.66
  5. Step 5: Solve for x
    x = 3,479,542,755,407.66/2,143,292.85
  6. Step 6: Final answer
    x = 1,623,456.52

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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.