Home / 3,111,804.80-4,661,486.40-1,780,553.60

Finding the Fourth Proportional to 3,111,804.80, 4,661,486.40 and 1,780,553.60

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Solution

The fourth proportional to 3,111,804.80, 4,661,486.40 and 1,780,553.60 is: 2,667,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,804.80 : 4,661,486.40 = 1,780,553.60 : x
  2. Step 2: Convert to fraction form
    3,111,804.80/4,661,486.40 = 1,780,553.60/x
  3. Step 3: Cross multiply
    3,111,804.80x = 4,661,486.40 × 1,780,553.60
  4. Step 4: Simplify right side
    3,111,804.80x = 8,300,026,390,871.04
  5. Step 5: Solve for x
    x = 8,300,026,390,871.04/3,111,804.80
  6. Step 6: Final answer
    x = 2,667,270.90

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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.