Home / 3,787,958.10-5,226,085.50-2,155,956.72

Finding the Fourth Proportional to 3,787,958.10, 5,226,085.50 and 2,155,956.72

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Solution

The fourth proportional to 3,787,958.10, 5,226,085.50 and 2,155,956.72 is: 2,974,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,958.10 : 5,226,085.50 = 2,155,956.72 : x
  2. Step 2: Convert to fraction form
    3,787,958.10/5,226,085.50 = 2,155,956.72/x
  3. Step 3: Cross multiply
    3,787,958.10x = 5,226,085.50 × 2,155,956.72
  4. Step 4: Simplify right side
    3,787,958.10x = 11,267,214,153,019.56
  5. Step 5: Solve for x
    x = 11,267,214,153,019.56/3,787,958.10
  6. Step 6: Final answer
    x = 2,974,482.26

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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.