Home / 3,868,212.60-5,337,916.06-2,318,698.92

Finding the Fourth Proportional to 3,868,212.60, 5,337,916.06 and 2,318,698.92

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Solution

The fourth proportional to 3,868,212.60, 5,337,916.06 and 2,318,698.92 is: 3,199,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,212.60 : 5,337,916.06 = 2,318,698.92 : x
  2. Step 2: Convert to fraction form
    3,868,212.60/5,337,916.06 = 2,318,698.92/x
  3. Step 3: Cross multiply
    3,868,212.60x = 5,337,916.06 × 2,318,698.92
  4. Step 4: Simplify right side
    3,868,212.60x = 12,377,020,206,266.11
  5. Step 5: Solve for x
    x = 12,377,020,206,266.11/3,868,212.60
  6. Step 6: Final answer
    x = 3,199,674.24

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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.