Home / 1,810,723.47-2,499,015.65-1,085,969.90

Finding the Fourth Proportional to 1,810,723.47, 2,499,015.65 and 1,085,969.90

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Solution

The fourth proportional to 1,810,723.47, 2,499,015.65 and 1,085,969.90 is: 1,498,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,723.47 : 2,499,015.65 = 1,085,969.90 : x
  2. Step 2: Convert to fraction form
    1,810,723.47/2,499,015.65 = 1,085,969.90/x
  3. Step 3: Cross multiply
    1,810,723.47x = 2,499,015.65 × 1,085,969.90
  4. Step 4: Simplify right side
    1,810,723.47x = 2,713,855,757,604.01
  5. Step 5: Solve for x
    x = 2,713,855,757,604.01/1,810,723.47
  6. Step 6: Final answer
    x = 1,498,768.75

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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.