Home / 1,976,381.32-2,726,404.50-1,250,005.72

Finding the Fourth Proportional to 1,976,381.32, 2,726,404.50 and 1,250,005.72

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Solution

The fourth proportional to 1,976,381.32, 2,726,404.50 and 1,250,005.72 is: 1,724,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,381.32 : 2,726,404.50 = 1,250,005.72 : x
  2. Step 2: Convert to fraction form
    1,976,381.32/2,726,404.50 = 1,250,005.72/x
  3. Step 3: Cross multiply
    1,976,381.32x = 2,726,404.50 × 1,250,005.72
  4. Step 4: Simplify right side
    1,976,381.32x = 3,408,021,220,033.74
  5. Step 5: Solve for x
    x = 3,408,021,220,033.74/1,976,381.32
  6. Step 6: Final answer
    x = 1,724,374.33

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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.