Home / 2,792,829.20-4,189,243.80-1,836,235.40

Finding the Fourth Proportional to 2,792,829.20, 4,189,243.80 and 1,836,235.40

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Solution

The fourth proportional to 2,792,829.20, 4,189,243.80 and 1,836,235.40 is: 2,754,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,829.20 : 4,189,243.80 = 1,836,235.40 : x
  2. Step 2: Convert to fraction form
    2,792,829.20/4,189,243.80 = 1,836,235.40/x
  3. Step 3: Cross multiply
    2,792,829.20x = 4,189,243.80 × 1,836,235.40
  4. Step 4: Simplify right side
    2,792,829.20x = 7,692,437,764,790.52
  5. Step 5: Solve for x
    x = 7,692,437,764,790.52/2,792,829.20
  6. Step 6: Final answer
    x = 2,754,353.10

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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.