Home / 2,645,518.91-3,967,853.54-725,981.81

Finding the Fourth Proportional to 2,645,518.91, 3,967,853.54 and 725,981.81

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Solution

The fourth proportional to 2,645,518.91, 3,967,853.54 and 725,981.81 is: 1,088,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,518.91 : 3,967,853.54 = 725,981.81 : x
  2. Step 2: Convert to fraction form
    2,645,518.91/3,967,853.54 = 725,981.81/x
  3. Step 3: Cross multiply
    2,645,518.91x = 3,967,853.54 × 725,981.81
  4. Step 4: Simplify right side
    2,645,518.91x = 2,880,589,471,314.93
  5. Step 5: Solve for x
    x = 2,880,589,471,314.93/2,645,518.91
  6. Step 6: Final answer
    x = 1,088,856.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.