Home / 2,632,859.80-3,949,289.70-638,315.80

Finding the Fourth Proportional to 2,632,859.80, 3,949,289.70 and 638,315.80

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Solution

The fourth proportional to 2,632,859.80, 3,949,289.70 and 638,315.80 is: 957,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,859.80 : 3,949,289.70 = 638,315.80 : x
  2. Step 2: Convert to fraction form
    2,632,859.80/3,949,289.70 = 638,315.80/x
  3. Step 3: Cross multiply
    2,632,859.80x = 3,949,289.70 × 638,315.80
  4. Step 4: Simplify right side
    2,632,859.80x = 2,520,894,014,287.26
  5. Step 5: Solve for x
    x = 2,520,894,014,287.26/2,632,859.80
  6. Step 6: Final answer
    x = 957,473.70

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Similar ratio
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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.