Home / 2,049,208.80-3,073,813.20-1,990,159.80

Finding the Fourth Proportional to 2,049,208.80, 3,073,813.20 and 1,990,159.80

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Solution

The fourth proportional to 2,049,208.80, 3,073,813.20 and 1,990,159.80 is: 2,985,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049,208.80 : 3,073,813.20 = 1,990,159.80 : x
  2. Step 2: Convert to fraction form
    2,049,208.80/3,073,813.20 = 1,990,159.80/x
  3. Step 3: Cross multiply
    2,049,208.80x = 3,073,813.20 × 1,990,159.80
  4. Step 4: Simplify right side
    2,049,208.80x = 6,117,379,463,349.36
  5. Step 5: Solve for x
    x = 6,117,379,463,349.36/2,049,208.80
  6. Step 6: Final answer
    x = 2,985,239.70

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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.