Home / 2,855,834.70-4,290,750.45-2,147,246.70

Finding the Fourth Proportional to 2,855,834.70, 4,290,750.45 and 2,147,246.70

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Solution

The fourth proportional to 2,855,834.70, 4,290,750.45 and 2,147,246.70 is: 3,226,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,834.70 : 4,290,750.45 = 2,147,246.70 : x
  2. Step 2: Convert to fraction form
    2,855,834.70/4,290,750.45 = 2,147,246.70/x
  3. Step 3: Cross multiply
    2,855,834.70x = 4,290,750.45 × 2,147,246.70
  4. Step 4: Simplify right side
    2,855,834.70x = 9,213,299,744,286.02
  5. Step 5: Solve for x
    x = 9,213,299,744,286.02/2,855,834.70
  6. Step 6: Final answer
    x = 3,226,132.01

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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.