Home / 2,163,125.32-3,244,683.89-815,590.22

Finding the Fourth Proportional to 2,163,125.32, 3,244,683.89 and 815,590.22

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Solution

The fourth proportional to 2,163,125.32, 3,244,683.89 and 815,590.22 is: 1,223,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,125.32 : 3,244,683.89 = 815,590.22 : x
  2. Step 2: Convert to fraction form
    2,163,125.32/3,244,683.89 = 815,590.22/x
  3. Step 3: Cross multiply
    2,163,125.32x = 3,244,683.89 × 815,590.22
  4. Step 4: Simplify right side
    2,163,125.32x = 2,646,332,433,491.11
  5. Step 5: Solve for x
    x = 2,646,332,433,491.11/2,163,125.32
  6. Step 6: Final answer
    x = 1,223,383.78

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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.