Home / 5,395,142.70-7,445,208.83-2,947,700.97

Finding the Fourth Proportional to 5,395,142.70, 7,445,208.83 and 2,947,700.97

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Solution

The fourth proportional to 5,395,142.70, 7,445,208.83 and 2,947,700.97 is: 4,067,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,142.70 : 7,445,208.83 = 2,947,700.97 : x
  2. Step 2: Convert to fraction form
    5,395,142.70/7,445,208.83 = 2,947,700.97/x
  3. Step 3: Cross multiply
    5,395,142.70x = 7,445,208.83 × 2,947,700.97
  4. Step 4: Simplify right side
    5,395,142.70x = 21,946,249,275,305.06
  5. Step 5: Solve for x
    x = 21,946,249,275,305.06/5,395,142.70
  6. Step 6: Final answer
    x = 4,067,779.20

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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.