Home / 2,815,580.79-4,223,341.05-2,136,638.39

Finding the Fourth Proportional to 2,815,580.79, 4,223,341.05 and 2,136,638.39

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Solution

The fourth proportional to 2,815,580.79, 4,223,341.05 and 2,136,638.39 is: 3,204,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,580.79 : 4,223,341.05 = 2,136,638.39 : x
  2. Step 2: Convert to fraction form
    2,815,580.79/4,223,341.05 = 2,136,638.39/x
  3. Step 3: Cross multiply
    2,815,580.79x = 4,223,341.05 × 2,136,638.39
  4. Step 4: Simplify right side
    2,815,580.79x = 9,023,752,600,376.20
  5. Step 5: Solve for x
    x = 9,023,752,600,376.20/2,815,580.79
  6. Step 6: Final answer
    x = 3,204,934.71

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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.