Home / 1,603,771.28-2,208,154.92-1,361,574.80

Finding the Fourth Proportional to 1,603,771.28, 2,208,154.92 and 1,361,574.80

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Solution

The fourth proportional to 1,603,771.28, 2,208,154.92 and 1,361,574.80 is: 1,874,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,771.28 : 2,208,154.92 = 1,361,574.80 : x
  2. Step 2: Convert to fraction form
    1,603,771.28/2,208,154.92 = 1,361,574.80/x
  3. Step 3: Cross multiply
    1,603,771.28x = 2,208,154.92 × 1,361,574.80
  4. Step 4: Simplify right side
    1,603,771.28x = 3,006,568,093,568.02
  5. Step 5: Solve for x
    x = 3,006,568,093,568.02/1,603,771.28
  6. Step 6: Final answer
    x = 1,874,686.33

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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.