Home / 2,225,540.70-3,338,311.05-1,280,756.70

Finding the Fourth Proportional to 2,225,540.70, 3,338,311.05 and 1,280,756.70

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Solution

The fourth proportional to 2,225,540.70, 3,338,311.05 and 1,280,756.70 is: 1,921,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,540.70 : 3,338,311.05 = 1,280,756.70 : x
  2. Step 2: Convert to fraction form
    2,225,540.70/3,338,311.05 = 1,280,756.70/x
  3. Step 3: Cross multiply
    2,225,540.70x = 3,338,311.05 × 1,280,756.70
  4. Step 4: Simplify right side
    2,225,540.70x = 4,275,564,243,971.53
  5. Step 5: Solve for x
    x = 4,275,564,243,971.53/2,225,540.70
  6. Step 6: Final answer
    x = 1,921,135.05

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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.