Home / 1,818,738.36-2,509,801.20-1,002,976.43

Finding the Fourth Proportional to 1,818,738.36, 2,509,801.20 and 1,002,976.43

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Solution

The fourth proportional to 1,818,738.36, 2,509,801.20 and 1,002,976.43 is: 1,384,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,738.36 : 2,509,801.20 = 1,002,976.43 : x
  2. Step 2: Convert to fraction form
    1,818,738.36/2,509,801.20 = 1,002,976.43/x
  3. Step 3: Cross multiply
    1,818,738.36x = 2,509,801.20 × 1,002,976.43
  4. Step 4: Simplify right side
    1,818,738.36x = 2,517,271,435,036.71
  5. Step 5: Solve for x
    x = 2,517,271,435,036.71/1,818,738.36
  6. Step 6: Final answer
    x = 1,384,075.63

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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.