Home / 3,516,998.65-5,275,399.16-1,120,986.79

Finding the Fourth Proportional to 3,516,998.65, 5,275,399.16 and 1,120,986.79

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Solution

The fourth proportional to 3,516,998.65, 5,275,399.16 and 1,120,986.79 is: 1,681,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,998.65 : 5,275,399.16 = 1,120,986.79 : x
  2. Step 2: Convert to fraction form
    3,516,998.65/5,275,399.16 = 1,120,986.79/x
  3. Step 3: Cross multiply
    3,516,998.65x = 5,275,399.16 × 1,120,986.79
  4. Step 4: Simplify right side
    3,516,998.65x = 5,913,652,764,732.16
  5. Step 5: Solve for x
    x = 5,913,652,764,732.16/3,516,998.65
  6. Step 6: Final answer
    x = 1,681,448.69

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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.