Home / 1,972,590.12-2,722,151.40-1,156,625.28

Finding the Fourth Proportional to 1,972,590.12, 2,722,151.40 and 1,156,625.28

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Solution

The fourth proportional to 1,972,590.12, 2,722,151.40 and 1,156,625.28 is: 1,596,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,590.12 : 2,722,151.40 = 1,156,625.28 : x
  2. Step 2: Convert to fraction form
    1,972,590.12/2,722,151.40 = 1,156,625.28/x
  3. Step 3: Cross multiply
    1,972,590.12x = 2,722,151.40 × 1,156,625.28
  4. Step 4: Simplify right side
    1,972,590.12x = 3,148,509,125,227.39
  5. Step 5: Solve for x
    x = 3,148,509,125,227.39/1,972,590.12
  6. Step 6: Final answer
    x = 1,596,129.42

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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.