Home / 1,618,102.20-2,426,570.10-819,118.20

Finding the Fourth Proportional to 1,618,102.20, 2,426,570.10 and 819,118.20

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Solution

The fourth proportional to 1,618,102.20, 2,426,570.10 and 819,118.20 is: 1,228,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,102.20 : 2,426,570.10 = 819,118.20 : x
  2. Step 2: Convert to fraction form
    1,618,102.20/2,426,570.10 = 819,118.20/x
  3. Step 3: Cross multiply
    1,618,102.20x = 2,426,570.10 × 819,118.20
  4. Step 4: Simplify right side
    1,618,102.20x = 1,987,647,732,485.82
  5. Step 5: Solve for x
    x = 1,987,647,732,485.82/1,618,102.20
  6. Step 6: Final answer
    x = 1,228,382.07

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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.