Home / 2,139,186.27-2,952,100.26-1,172,295.75

Finding the Fourth Proportional to 2,139,186.27, 2,952,100.26 and 1,172,295.75

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Solution

The fourth proportional to 2,139,186.27, 2,952,100.26 and 1,172,295.75 is: 1,617,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,186.27 : 2,952,100.26 = 1,172,295.75 : x
  2. Step 2: Convert to fraction form
    2,139,186.27/2,952,100.26 = 1,172,295.75/x
  3. Step 3: Cross multiply
    2,139,186.27x = 2,952,100.26 × 1,172,295.75
  4. Step 4: Simplify right side
    2,139,186.27x = 3,460,734,588,371.89
  5. Step 5: Solve for x
    x = 3,460,734,588,371.89/2,139,186.27
  6. Step 6: Final answer
    x = 1,617,780.85

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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.