Home / 5,387,017.73-7,434,242.21-2,939,786.46

Finding the Fourth Proportional to 5,387,017.73, 7,434,242.21 and 2,939,786.46

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Solution

The fourth proportional to 5,387,017.73, 7,434,242.21 and 2,939,786.46 is: 4,056,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,017.73 : 7,434,242.21 = 2,939,786.46 : x
  2. Step 2: Convert to fraction form
    5,387,017.73/7,434,242.21 = 2,939,786.46/x
  3. Step 3: Cross multiply
    5,387,017.73x = 7,434,242.21 × 2,939,786.46
  4. Step 4: Simplify right side
    5,387,017.73x = 21,855,084,574,619.54
  5. Step 5: Solve for x
    x = 21,855,084,574,619.54/5,387,017.73
  6. Step 6: Final answer
    x = 4,056,991.40

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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.