Home / 2,061,104.80-3,091,657.20-1,389,258.40

Finding the Fourth Proportional to 2,061,104.80, 3,091,657.20 and 1,389,258.40

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Solution

The fourth proportional to 2,061,104.80, 3,091,657.20 and 1,389,258.40 is: 2,083,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061,104.80 : 3,091,657.20 = 1,389,258.40 : x
  2. Step 2: Convert to fraction form
    2,061,104.80/3,091,657.20 = 1,389,258.40/x
  3. Step 3: Cross multiply
    2,061,104.80x = 3,091,657.20 × 1,389,258.40
  4. Step 4: Simplify right side
    2,061,104.80x = 4,295,110,735,020.48
  5. Step 5: Solve for x
    x = 4,295,110,735,020.48/2,061,104.80
  6. Step 6: Final answer
    x = 2,083,887.60

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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.