Home / 2,899,902.40-4,345,706.40-2,135,780.80

Finding the Fourth Proportional to 2,899,902.40, 4,345,706.40 and 2,135,780.80

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Solution

The fourth proportional to 2,899,902.40, 4,345,706.40 and 2,135,780.80 is: 3,200,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899,902.40 : 4,345,706.40 = 2,135,780.80 : x
  2. Step 2: Convert to fraction form
    2,899,902.40/4,345,706.40 = 2,135,780.80/x
  3. Step 3: Cross multiply
    2,899,902.40x = 4,345,706.40 × 2,135,780.80
  4. Step 4: Simplify right side
    2,899,902.40x = 9,281,476,291,557.12
  5. Step 5: Solve for x
    x = 9,281,476,291,557.12/2,899,902.40
  6. Step 6: Final answer
    x = 3,200,616.78

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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.