Home / 1,848,985.70-2,772,096.15-783,155.30

Finding the Fourth Proportional to 1,848,985.70, 2,772,096.15 and 783,155.30

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Solution

The fourth proportional to 1,848,985.70, 2,772,096.15 and 783,155.30 is: 1,174,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,985.70 : 2,772,096.15 = 783,155.30 : x
  2. Step 2: Convert to fraction form
    1,848,985.70/2,772,096.15 = 783,155.30/x
  3. Step 3: Cross multiply
    1,848,985.70x = 2,772,096.15 × 783,155.30
  4. Step 4: Simplify right side
    1,848,985.70x = 2,170,981,791,982.10
  5. Step 5: Solve for x
    x = 2,170,981,791,982.10/1,848,985.70
  6. Step 6: Final answer
    x = 1,174,147.42

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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.