Home / 1,848,986.20-2,772,096.90-783,155.80

Finding the Fourth Proportional to 1,848,986.20, 2,772,096.90 and 783,155.80

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Solution

The fourth proportional to 1,848,986.20, 2,772,096.90 and 783,155.80 is: 1,174,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,986.20 : 2,772,096.90 = 783,155.80 : x
  2. Step 2: Convert to fraction form
    1,848,986.20/2,772,096.90 = 783,155.80/x
  3. Step 3: Cross multiply
    1,848,986.20x = 2,772,096.90 × 783,155.80
  4. Step 4: Simplify right side
    1,848,986.20x = 2,170,983,765,397.02
  5. Step 5: Solve for x
    x = 2,170,983,765,397.02/1,848,986.20
  6. Step 6: Final answer
    x = 1,174,148.17

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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.