Home / 1,918,228.95-2,647,156.14-1,058,789.43

Finding the Fourth Proportional to 1,918,228.95, 2,647,156.14 and 1,058,789.43

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Solution

The fourth proportional to 1,918,228.95, 2,647,156.14 and 1,058,789.43 is: 1,461,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,228.95 : 2,647,156.14 = 1,058,789.43 : x
  2. Step 2: Convert to fraction form
    1,918,228.95/2,647,156.14 = 1,058,789.43/x
  3. Step 3: Cross multiply
    1,918,228.95x = 2,647,156.14 × 1,058,789.43
  4. Step 4: Simplify right side
    1,918,228.95x = 2,802,780,940,591.60
  5. Step 5: Solve for x
    x = 2,802,780,940,591.60/1,918,228.95
  6. Step 6: Final answer
    x = 1,461,129.52

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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.