Home / 5,387,033.72-7,434,264.31-2,939,802.49

Finding the Fourth Proportional to 5,387,033.72, 7,434,264.31 and 2,939,802.49

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Solution

The fourth proportional to 5,387,033.72, 7,434,264.31 and 2,939,802.49 is: 4,057,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,033.72 : 7,434,264.31 = 2,939,802.49 : x
  2. Step 2: Convert to fraction form
    5,387,033.72/7,434,264.31 = 2,939,802.49/x
  3. Step 3: Cross multiply
    5,387,033.72x = 7,434,264.31 × 2,939,802.49
  4. Step 4: Simplify right side
    5,387,033.72x = 21,855,268,731,799.46
  5. Step 5: Solve for x
    x = 21,855,268,731,799.46/5,387,033.72
  6. Step 6: Final answer
    x = 4,057,013.54

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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.