Home / 1,991,627.52-2,748,412.80-1,086,155.52

Finding the Fourth Proportional to 1,991,627.52, 2,748,412.80 and 1,086,155.52

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Solution

The fourth proportional to 1,991,627.52, 2,748,412.80 and 1,086,155.52 is: 1,498,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,627.52 : 2,748,412.80 = 1,086,155.52 : x
  2. Step 2: Convert to fraction form
    1,991,627.52/2,748,412.80 = 1,086,155.52/x
  3. Step 3: Cross multiply
    1,991,627.52x = 2,748,412.80 × 1,086,155.52
  4. Step 4: Simplify right side
    1,991,627.52x = 2,985,203,733,958.66
  5. Step 5: Solve for x
    x = 2,985,203,733,958.66/1,991,627.52
  6. Step 6: Final answer
    x = 1,498,876.52

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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.