Home / 3,111,145.20-4,657,386.60-1,848,322.80

Finding the Fourth Proportional to 3,111,145.20, 4,657,386.60 and 1,848,322.80

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Solution

The fourth proportional to 3,111,145.20, 4,657,386.60 and 1,848,322.80 is: 2,766,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,145.20 : 4,657,386.60 = 1,848,322.80 : x
  2. Step 2: Convert to fraction form
    3,111,145.20/4,657,386.60 = 1,848,322.80/x
  3. Step 3: Cross multiply
    3,111,145.20x = 4,657,386.60 × 1,848,322.80
  4. Step 4: Simplify right side
    3,111,145.20x = 8,608,353,841,194.48
  5. Step 5: Solve for x
    x = 8,608,353,841,194.48/3,111,145.20
  6. Step 6: Final answer
    x = 2,766,940.56

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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.