Home / 3,516,919.28-5,275,280.51-1,120,907.69

Finding the Fourth Proportional to 3,516,919.28, 5,275,280.51 and 1,120,907.69

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Solution

The fourth proportional to 3,516,919.28, 5,275,280.51 and 1,120,907.69 is: 1,681,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,919.28 : 5,275,280.51 = 1,120,907.69 : x
  2. Step 2: Convert to fraction form
    3,516,919.28/5,275,280.51 = 1,120,907.69/x
  3. Step 3: Cross multiply
    3,516,919.28x = 5,275,280.51 × 1,120,907.69
  4. Step 4: Simplify right side
    3,516,919.28x = 5,913,102,498,149.78
  5. Step 5: Solve for x
    x = 5,913,102,498,149.78/3,516,919.28
  6. Step 6: Final answer
    x = 1,681,330.17

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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.