Home / 3,111,608.80-4,667,405.10-867,746.80

Finding the Fourth Proportional to 3,111,608.80, 4,667,405.10 and 867,746.80

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Solution

The fourth proportional to 3,111,608.80, 4,667,405.10 and 867,746.80 is: 1,301,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,608.80 : 4,667,405.10 = 867,746.80 : x
  2. Step 2: Convert to fraction form
    3,111,608.80/4,667,405.10 = 867,746.80/x
  3. Step 3: Cross multiply
    3,111,608.80x = 4,667,405.10 × 867,746.80
  4. Step 4: Simplify right side
    3,111,608.80x = 4,050,125,839,828.68
  5. Step 5: Solve for x
    x = 4,050,125,839,828.68/3,111,608.80
  6. Step 6: Final answer
    x = 1,301,617.94

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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.