Home / 2,783,664.12-4,174,241.39-986,138.75

Finding the Fourth Proportional to 2,783,664.12, 4,174,241.39 and 986,138.75

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Solution

The fourth proportional to 2,783,664.12, 4,174,241.39 and 986,138.75 is: 1,478,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,664.12 : 4,174,241.39 = 986,138.75 : x
  2. Step 2: Convert to fraction form
    2,783,664.12/4,174,241.39 = 986,138.75/x
  3. Step 3: Cross multiply
    2,783,664.12x = 4,174,241.39 × 986,138.75
  4. Step 4: Simplify right side
    2,783,664.12x = 4,116,381,186,532.86
  5. Step 5: Solve for x
    x = 4,116,381,186,532.86/2,783,664.12
  6. Step 6: Final answer
    x = 1,478,763.60

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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.