Home / 3,516,998.40-5,275,398.78-1,120,986.54

Finding the Fourth Proportional to 3,516,998.40, 5,275,398.78 and 1,120,986.54

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Solution

The fourth proportional to 3,516,998.40, 5,275,398.78 and 1,120,986.54 is: 1,681,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,998.40 : 5,275,398.78 = 1,120,986.54 : x
  2. Step 2: Convert to fraction form
    3,516,998.40/5,275,398.78 = 1,120,986.54/x
  3. Step 3: Cross multiply
    3,516,998.40x = 5,275,398.78 × 1,120,986.54
  4. Step 4: Simplify right side
    3,516,998.40x = 5,913,651,025,512.42
  5. Step 5: Solve for x
    x = 5,913,651,025,512.42/3,516,998.40
  6. Step 6: Final answer
    x = 1,681,448.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.