Home / 2,020,136.73-2,787,847.85-1,102,425.02

Finding the Fourth Proportional to 2,020,136.73, 2,787,847.85 and 1,102,425.02

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Solution

The fourth proportional to 2,020,136.73, 2,787,847.85 and 1,102,425.02 is: 1,521,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,136.73 : 2,787,847.85 = 1,102,425.02 : x
  2. Step 2: Convert to fraction form
    2,020,136.73/2,787,847.85 = 1,102,425.02/x
  3. Step 3: Cross multiply
    2,020,136.73x = 2,787,847.85 × 1,102,425.02
  4. Step 4: Simplify right side
    2,020,136.73x = 3,073,393,202,341.84
  5. Step 5: Solve for x
    x = 3,073,393,202,341.84/2,020,136.73
  6. Step 6: Final answer
    x = 1,521,378.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.