Home / 2,303,976.80-3,179,666.40-1,271,686.88

Finding the Fourth Proportional to 2,303,976.80, 3,179,666.40 and 1,271,686.88

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Solution

The fourth proportional to 2,303,976.80, 3,179,666.40 and 1,271,686.88 is: 1,755,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303,976.80 : 3,179,666.40 = 1,271,686.88 : x
  2. Step 2: Convert to fraction form
    2,303,976.80/3,179,666.40 = 1,271,686.88/x
  3. Step 3: Cross multiply
    2,303,976.80x = 3,179,666.40 × 1,271,686.88
  4. Step 4: Simplify right side
    2,303,976.80x = 4,043,540,043,656.83
  5. Step 5: Solve for x
    x = 4,043,540,043,656.83/2,303,976.80
  6. Step 6: Final answer
    x = 1,755,026.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.