Home / 2,867,400.57-3,956,981.52-1,578,213.27

Finding the Fourth Proportional to 2,867,400.57, 3,956,981.52 and 1,578,213.27

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Solution

The fourth proportional to 2,867,400.57, 3,956,981.52 and 1,578,213.27 is: 2,177,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,400.57 : 3,956,981.52 = 1,578,213.27 : x
  2. Step 2: Convert to fraction form
    2,867,400.57/3,956,981.52 = 1,578,213.27/x
  3. Step 3: Cross multiply
    2,867,400.57x = 3,956,981.52 × 1,578,213.27
  4. Step 4: Simplify right side
    2,867,400.57x = 6,244,960,744,008.77
  5. Step 5: Solve for x
    x = 6,244,960,744,008.77/2,867,400.57
  6. Step 6: Final answer
    x = 2,177,917.10

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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.