Home / 4,290,919.68-6,436,279.89-2,160,431.76

Finding the Fourth Proportional to 4,290,919.68, 6,436,279.89 and 2,160,431.76

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Solution

The fourth proportional to 4,290,919.68, 6,436,279.89 and 2,160,431.76 is: 3,240,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290,919.68 : 6,436,279.89 = 2,160,431.76 : x
  2. Step 2: Convert to fraction form
    4,290,919.68/6,436,279.89 = 2,160,431.76/x
  3. Step 3: Cross multiply
    4,290,919.68x = 6,436,279.89 × 2,160,431.76
  4. Step 4: Simplify right side
    4,290,919.68x = 13,905,143,490,605.30
  5. Step 5: Solve for x
    x = 13,905,143,490,605.30/4,290,919.68
  6. Step 6: Final answer
    x = 3,240,597.48

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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.