Home / 5,395,139.79-7,445,204.84-2,947,698.17

Finding the Fourth Proportional to 5,395,139.79, 7,445,204.84 and 2,947,698.17

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Solution

The fourth proportional to 5,395,139.79, 7,445,204.84 and 2,947,698.17 is: 4,067,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,139.79 : 7,445,204.84 = 2,947,698.17 : x
  2. Step 2: Convert to fraction form
    5,395,139.79/7,445,204.84 = 2,947,698.17/x
  3. Step 3: Cross multiply
    5,395,139.79x = 7,445,204.84 × 2,947,698.17
  4. Step 4: Simplify right side
    5,395,139.79x = 21,946,216,682,143.14
  5. Step 5: Solve for x
    x = 21,946,216,682,143.14/5,395,139.79
  6. Step 6: Final answer
    x = 4,067,775.36

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1.5x scale

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.