Home / 2,576,879.70-3,864,335.40-779,165.70

Finding the Fourth Proportional to 2,576,879.70, 3,864,335.40 and 779,165.70

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Solution

The fourth proportional to 2,576,879.70, 3,864,335.40 and 779,165.70 is: 1,168,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,879.70 : 3,864,335.40 = 779,165.70 : x
  2. Step 2: Convert to fraction form
    2,576,879.70/3,864,335.40 = 779,165.70/x
  3. Step 3: Cross multiply
    2,576,879.70x = 3,864,335.40 × 779,165.70
  4. Step 4: Simplify right side
    2,576,879.70x = 3,010,957,596,975.78
  5. Step 5: Solve for x
    x = 3,010,957,596,975.78/2,576,879.70
  6. Step 6: Final answer
    x = 1,168,450.97

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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.