Home / 2,080,687.30-3,119,062.65-1,228,413.40

Finding the Fourth Proportional to 2,080,687.30, 3,119,062.65 and 1,228,413.40

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Solution

The fourth proportional to 2,080,687.30, 3,119,062.65 and 1,228,413.40 is: 1,841,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,687.30 : 3,119,062.65 = 1,228,413.40 : x
  2. Step 2: Convert to fraction form
    2,080,687.30/3,119,062.65 = 1,228,413.40/x
  3. Step 3: Cross multiply
    2,080,687.30x = 3,119,062.65 × 1,228,413.40
  4. Step 4: Simplify right side
    2,080,687.30x = 3,831,498,354,699.51
  5. Step 5: Solve for x
    x = 3,831,498,354,699.51/2,080,687.30
  6. Step 6: Final answer
    x = 1,841,458.04

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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.