Home / 2,020,133.33-2,787,843.15-1,102,421.61

Finding the Fourth Proportional to 2,020,133.33, 2,787,843.15 and 1,102,421.61

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Solution

The fourth proportional to 2,020,133.33, 2,787,843.15 and 1,102,421.61 is: 1,521,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,133.33 : 2,787,843.15 = 1,102,421.61 : x
  2. Step 2: Convert to fraction form
    2,020,133.33/2,787,843.15 = 1,102,421.61/x
  3. Step 3: Cross multiply
    2,020,133.33x = 2,787,843.15 × 1,102,421.61
  4. Step 4: Simplify right side
    2,020,133.33x = 3,073,378,514,399.15
  5. Step 5: Solve for x
    x = 3,073,378,514,399.15/2,020,133.33
  6. Step 6: Final answer
    x = 1,521,374.09

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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.