Home / 2,069,149.80-3,103,821.90-649,252.20

Finding the Fourth Proportional to 2,069,149.80, 3,103,821.90 and 649,252.20

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Solution

The fourth proportional to 2,069,149.80, 3,103,821.90 and 649,252.20 is: 973,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,149.80 : 3,103,821.90 = 649,252.20 : x
  2. Step 2: Convert to fraction form
    2,069,149.80/3,103,821.90 = 649,252.20/x
  3. Step 3: Cross multiply
    2,069,149.80x = 3,103,821.90 × 649,252.20
  4. Step 4: Simplify right side
    2,069,149.80x = 2,015,163,196,983.18
  5. Step 5: Solve for x
    x = 2,015,163,196,983.18/2,069,149.80
  6. Step 6: Final answer
    x = 973,908.80

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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.