Home / 2,576,342.18-3,865,120.16-779,240.54

Finding the Fourth Proportional to 2,576,342.18, 3,865,120.16 and 779,240.54

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Solution

The fourth proportional to 2,576,342.18, 3,865,120.16 and 779,240.54 is: 1,169,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,342.18 : 3,865,120.16 = 779,240.54 : x
  2. Step 2: Convert to fraction form
    2,576,342.18/3,865,120.16 = 779,240.54/x
  3. Step 3: Cross multiply
    2,576,342.18x = 3,865,120.16 × 779,240.54
  4. Step 4: Simplify right side
    2,576,342.18x = 3,011,858,297,421.48
  5. Step 5: Solve for x
    x = 3,011,858,297,421.48/2,576,342.18
  6. Step 6: Final answer
    x = 1,169,044.36

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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.