Home / 3,787,288.79-5,226,491.95-2,155,801.22

Finding the Fourth Proportional to 3,787,288.79, 5,226,491.95 and 2,155,801.22

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Solution

The fourth proportional to 3,787,288.79, 5,226,491.95 and 2,155,801.22 is: 2,975,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,288.79 : 5,226,491.95 = 2,155,801.22 : x
  2. Step 2: Convert to fraction form
    3,787,288.79/5,226,491.95 = 2,155,801.22/x
  3. Step 3: Cross multiply
    3,787,288.79x = 5,226,491.95 × 2,155,801.22
  4. Step 4: Simplify right side
    3,787,288.79x = 11,267,277,710,207.56
  5. Step 5: Solve for x
    x = 11,267,277,710,207.56/3,787,288.79
  6. Step 6: Final answer
    x = 2,975,024.71

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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.