Home / 3,668,689.40-5,500,139.74-2,318,005.03

Finding the Fourth Proportional to 3,668,689.40, 5,500,139.74 and 2,318,005.03

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Solution

The fourth proportional to 3,668,689.40, 5,500,139.74 and 2,318,005.03 is: 3,475,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668,689.40 : 5,500,139.74 = 2,318,005.03 : x
  2. Step 2: Convert to fraction form
    3,668,689.40/5,500,139.74 = 2,318,005.03/x
  3. Step 3: Cross multiply
    3,668,689.40x = 5,500,139.74 × 2,318,005.03
  4. Step 4: Simplify right side
    3,668,689.40x = 12,749,351,583,022.89
  5. Step 5: Solve for x
    x = 12,749,351,583,022.89/3,668,689.40
  6. Step 6: Final answer
    x = 3,475,178.79

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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.