Home / 4,320,912.80-6,478,258.80-2,428,234.40

Finding the Fourth Proportional to 4,320,912.80, 6,478,258.80 and 2,428,234.40

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Solution

The fourth proportional to 4,320,912.80, 6,478,258.80 and 2,428,234.40 is: 3,640,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,912.80 : 6,478,258.80 = 2,428,234.40 : x
  2. Step 2: Convert to fraction form
    4,320,912.80/6,478,258.80 = 2,428,234.40/x
  3. Step 3: Cross multiply
    4,320,912.80x = 6,478,258.80 × 2,428,234.40
  4. Step 4: Simplify right side
    4,320,912.80x = 15,730,730,870,262.72
  5. Step 5: Solve for x
    x = 15,730,730,870,262.72/4,320,912.80
  6. Step 6: Final answer
    x = 3,640,603.64

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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.