Home / 2,840,010.40-4,258,978.80-946,813.60

Finding the Fourth Proportional to 2,840,010.40, 4,258,978.80 and 946,813.60

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Solution

The fourth proportional to 2,840,010.40, 4,258,978.80 and 946,813.60 is: 1,419,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,010.40 : 4,258,978.80 = 946,813.60 : x
  2. Step 2: Convert to fraction form
    2,840,010.40/4,258,978.80 = 946,813.60/x
  3. Step 3: Cross multiply
    2,840,010.40x = 4,258,978.80 × 946,813.60
  4. Step 4: Simplify right side
    2,840,010.40x = 4,032,459,049,951.68
  5. Step 5: Solve for x
    x = 4,032,459,049,951.68/2,840,010.40
  6. Step 6: Final answer
    x = 1,419,874.75

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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.