Home / 2,385,687.88-3,292,145.94-1,367,187.40

Finding the Fourth Proportional to 2,385,687.88, 3,292,145.94 and 1,367,187.40

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Solution

The fourth proportional to 2,385,687.88, 3,292,145.94 and 1,367,187.40 is: 1,886,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,687.88 : 3,292,145.94 = 1,367,187.40 : x
  2. Step 2: Convert to fraction form
    2,385,687.88/3,292,145.94 = 1,367,187.40/x
  3. Step 3: Cross multiply
    2,385,687.88x = 3,292,145.94 × 1,367,187.40
  4. Step 4: Simplify right side
    2,385,687.88x = 4,500,980,448,129.16
  5. Step 5: Solve for x
    x = 4,500,980,448,129.16/2,385,687.88
  6. Step 6: Final answer
    x = 1,886,659.39

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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.