Home / 2,109,912.74-3,164,869.01-972,338.37

Finding the Fourth Proportional to 2,109,912.74, 3,164,869.01 and 972,338.37

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Solution

The fourth proportional to 2,109,912.74, 3,164,869.01 and 972,338.37 is: 1,458,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,912.74 : 3,164,869.01 = 972,338.37 : x
  2. Step 2: Convert to fraction form
    2,109,912.74/3,164,869.01 = 972,338.37/x
  3. Step 3: Cross multiply
    2,109,912.74x = 3,164,869.01 × 972,338.37
  4. Step 4: Simplify right side
    2,109,912.74x = 3,077,323,565,009.50
  5. Step 5: Solve for x
    x = 3,077,323,565,009.50/2,109,912.74
  6. Step 6: Final answer
    x = 1,458,507.51

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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.