Home / 2,638,445.40-3,957,668.10-2,313,019.80

Finding the Fourth Proportional to 2,638,445.40, 3,957,668.10 and 2,313,019.80

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Solution

The fourth proportional to 2,638,445.40, 3,957,668.10 and 2,313,019.80 is: 3,469,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,445.40 : 3,957,668.10 = 2,313,019.80 : x
  2. Step 2: Convert to fraction form
    2,638,445.40/3,957,668.10 = 2,313,019.80/x
  3. Step 3: Cross multiply
    2,638,445.40x = 3,957,668.10 × 2,313,019.80
  4. Step 4: Simplify right side
    2,638,445.40x = 9,154,164,677,128.38
  5. Step 5: Solve for x
    x = 9,154,164,677,128.38/2,638,445.40
  6. Step 6: Final answer
    x = 3,469,529.70

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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.