Home / 2,132,705.88-2,943,133.68-1,165,840.20

Finding the Fourth Proportional to 2,132,705.88, 2,943,133.68 and 1,165,840.20

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Solution

The fourth proportional to 2,132,705.88, 2,943,133.68 and 1,165,840.20 is: 1,608,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,705.88 : 2,943,133.68 = 1,165,840.20 : x
  2. Step 2: Convert to fraction form
    2,132,705.88/2,943,133.68 = 1,165,840.20/x
  3. Step 3: Cross multiply
    2,132,705.88x = 2,943,133.68 × 1,165,840.20
  4. Step 4: Simplify right side
    2,132,705.88x = 3,431,223,558,117.94
  5. Step 5: Solve for x
    x = 3,431,223,558,117.94/2,132,705.88
  6. Step 6: Final answer
    x = 1,608,859.24

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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.