Home / 3,111,999.80-4,667,999.70-748,095.80

Finding the Fourth Proportional to 3,111,999.80, 4,667,999.70 and 748,095.80

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Solution

The fourth proportional to 3,111,999.80, 4,667,999.70 and 748,095.80 is: 1,122,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,999.80 : 4,667,999.70 = 748,095.80 : x
  2. Step 2: Convert to fraction form
    3,111,999.80/4,667,999.70 = 748,095.80/x
  3. Step 3: Cross multiply
    3,111,999.80x = 4,667,999.70 × 748,095.80
  4. Step 4: Simplify right side
    3,111,999.80x = 3,492,110,969,971.26
  5. Step 5: Solve for x
    x = 3,492,110,969,971.26/3,111,999.80
  6. Step 6: Final answer
    x = 1,122,143.70

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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.