Home / 2,040,488.40-3,060,614.52-778,443.60

Finding the Fourth Proportional to 2,040,488.40, 3,060,614.52 and 778,443.60

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Solution

The fourth proportional to 2,040,488.40, 3,060,614.52 and 778,443.60 is: 1,167,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,488.40 : 3,060,614.52 = 778,443.60 : x
  2. Step 2: Convert to fraction form
    2,040,488.40/3,060,614.52 = 778,443.60/x
  3. Step 3: Cross multiply
    2,040,488.40x = 3,060,614.52 × 778,443.60
  4. Step 4: Simplify right side
    2,040,488.40x = 2,382,515,785,161.07
  5. Step 5: Solve for x
    x = 2,382,515,785,161.07/2,040,488.40
  6. Step 6: Final answer
    x = 1,167,620.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.