Home / 1,818,479.09-2,509,518.62-1,002,711.69

Finding the Fourth Proportional to 1,818,479.09, 2,509,518.62 and 1,002,711.69

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Solution

The fourth proportional to 1,818,479.09, 2,509,518.62 and 1,002,711.69 is: 1,383,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,479.09 : 2,509,518.62 = 1,002,711.69 : x
  2. Step 2: Convert to fraction form
    1,818,479.09/2,509,518.62 = 1,002,711.69/x
  3. Step 3: Cross multiply
    1,818,479.09x = 2,509,518.62 × 1,002,711.69
  4. Step 4: Simplify right side
    1,818,479.09x = 2,516,323,659,053.45
  5. Step 5: Solve for x
    x = 2,516,323,659,053.45/1,818,479.09
  6. Step 6: Final answer
    x = 1,383,751.77

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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.