Home / 2,386,394.20-3,578,163.55-1,618,835.16

Finding the Fourth Proportional to 2,386,394.20, 3,578,163.55 and 1,618,835.16

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Solution

The fourth proportional to 2,386,394.20, 3,578,163.55 and 1,618,835.16 is: 2,427,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386,394.20 : 3,578,163.55 = 1,618,835.16 : x
  2. Step 2: Convert to fraction form
    2,386,394.20/3,578,163.55 = 1,618,835.16/x
  3. Step 3: Cross multiply
    2,386,394.20x = 3,578,163.55 × 1,618,835.16
  4. Step 4: Simplify right side
    2,386,394.20x = 5,792,456,962,970.42
  5. Step 5: Solve for x
    x = 5,792,456,962,970.42/2,386,394.20
  6. Step 6: Final answer
    x = 2,427,284.21

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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.