Home / 1,993,831.60-2,990,747.40-1,839,866.80

Finding the Fourth Proportional to 1,993,831.60, 2,990,747.40 and 1,839,866.80

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Solution

The fourth proportional to 1,993,831.60, 2,990,747.40 and 1,839,866.80 is: 2,759,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,831.60 : 2,990,747.40 = 1,839,866.80 : x
  2. Step 2: Convert to fraction form
    1,993,831.60/2,990,747.40 = 1,839,866.80/x
  3. Step 3: Cross multiply
    1,993,831.60x = 2,990,747.40 × 1,839,866.80
  4. Step 4: Simplify right side
    1,993,831.60x = 5,502,576,848,446.32
  5. Step 5: Solve for x
    x = 5,502,576,848,446.32/1,993,831.60
  6. Step 6: Final answer
    x = 2,759,800.20

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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.