Home / 2,740,512.80-4,110,769.20-2,628,538.40

Finding the Fourth Proportional to 2,740,512.80, 4,110,769.20 and 2,628,538.40

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Solution

The fourth proportional to 2,740,512.80, 4,110,769.20 and 2,628,538.40 is: 3,942,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,512.80 : 4,110,769.20 = 2,628,538.40 : x
  2. Step 2: Convert to fraction form
    2,740,512.80/4,110,769.20 = 2,628,538.40/x
  3. Step 3: Cross multiply
    2,740,512.80x = 4,110,769.20 × 2,628,538.40
  4. Step 4: Simplify right side
    2,740,512.80x = 10,805,314,695,737.28
  5. Step 5: Solve for x
    x = 10,805,314,695,737.28/2,740,512.80
  6. Step 6: Final answer
    x = 3,942,807.60

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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.