Home / 2,139,186.77-2,952,100.95-1,172,296.25

Finding the Fourth Proportional to 2,139,186.77, 2,952,100.95 and 1,172,296.25

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Solution

The fourth proportional to 2,139,186.77, 2,952,100.95 and 1,172,296.25 is: 1,617,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,186.77 : 2,952,100.95 = 1,172,296.25 : x
  2. Step 2: Convert to fraction form
    2,139,186.77/2,952,100.95 = 1,172,296.25/x
  3. Step 3: Cross multiply
    2,139,186.77x = 2,952,100.95 × 1,172,296.25
  4. Step 4: Simplify right side
    2,139,186.77x = 3,460,736,873,306.44
  5. Step 5: Solve for x
    x = 3,460,736,873,306.44/2,139,186.77
  6. Step 6: Final answer
    x = 1,617,781.54

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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.