Home / 5,226,397.56-7,826,981.67-3,143,107.40

Finding the Fourth Proportional to 5,226,397.56, 7,826,981.67 and 3,143,107.40

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Solution

The fourth proportional to 5,226,397.56, 7,826,981.67 and 3,143,107.40 is: 4,707,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226,397.56 : 7,826,981.67 = 3,143,107.40 : x
  2. Step 2: Convert to fraction form
    5,226,397.56/7,826,981.67 = 3,143,107.40/x
  3. Step 3: Cross multiply
    5,226,397.56x = 7,826,981.67 × 3,143,107.40
  4. Step 4: Simplify right side
    5,226,397.56x = 24,601,043,967,506.45
  5. Step 5: Solve for x
    x = 24,601,043,967,506.45/5,226,397.56
  6. Step 6: Final answer
    x = 4,707,074.75

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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.