Home / 2,912,287.80-4,368,431.70-2,604,358.20

Finding the Fourth Proportional to 2,912,287.80, 4,368,431.70 and 2,604,358.20

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Solution

The fourth proportional to 2,912,287.80, 4,368,431.70 and 2,604,358.20 is: 3,906,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,287.80 : 4,368,431.70 = 2,604,358.20 : x
  2. Step 2: Convert to fraction form
    2,912,287.80/4,368,431.70 = 2,604,358.20/x
  3. Step 3: Cross multiply
    2,912,287.80x = 4,368,431.70 × 2,604,358.20
  4. Step 4: Simplify right side
    2,912,287.80x = 11,376,960,919,034.94
  5. Step 5: Solve for x
    x = 11,376,960,919,034.94/2,912,287.80
  6. Step 6: Final answer
    x = 3,906,537.30

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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.