Home / 5,387,130.36-7,434,397.92-2,939,899.44

Finding the Fourth Proportional to 5,387,130.36, 7,434,397.92 and 2,939,899.44

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Solution

The fourth proportional to 5,387,130.36, 7,434,397.92 and 2,939,899.44 is: 4,057,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,130.36 : 7,434,397.92 = 2,939,899.44 : x
  2. Step 2: Convert to fraction form
    5,387,130.36/7,434,397.92 = 2,939,899.44/x
  3. Step 3: Cross multiply
    5,387,130.36x = 7,434,397.92 × 2,939,899.44
  4. Step 4: Simplify right side
    5,387,130.36x = 21,856,382,281,745.16
  5. Step 5: Solve for x
    x = 21,856,382,281,745.16/5,387,130.36
  6. Step 6: Final answer
    x = 4,057,147.46

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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.