Home / 2,321,738.40-3,482,607.60-638,839.20

Finding the Fourth Proportional to 2,321,738.40, 3,482,607.60 and 638,839.20

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Solution

The fourth proportional to 2,321,738.40, 3,482,607.60 and 638,839.20 is: 958,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,738.40 : 3,482,607.60 = 638,839.20 : x
  2. Step 2: Convert to fraction form
    2,321,738.40/3,482,607.60 = 638,839.20/x
  3. Step 3: Cross multiply
    2,321,738.40x = 3,482,607.60 × 638,839.20
  4. Step 4: Simplify right side
    2,321,738.40x = 2,224,826,253,097.92
  5. Step 5: Solve for x
    x = 2,224,826,253,097.92/2,321,738.40
  6. Step 6: Final answer
    x = 958,258.80

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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.