Home / 2,138,592.89-3,208,086.60-699,283.70

Finding the Fourth Proportional to 2,138,592.89, 3,208,086.60 and 699,283.70

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Solution

The fourth proportional to 2,138,592.89, 3,208,086.60 and 699,283.70 is: 1,048,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,592.89 : 3,208,086.60 = 699,283.70 : x
  2. Step 2: Convert to fraction form
    2,138,592.89/3,208,086.60 = 699,283.70/x
  3. Step 3: Cross multiply
    2,138,592.89x = 3,208,086.60 × 699,283.70
  4. Step 4: Simplify right side
    2,138,592.89x = 2,243,362,660,936.00
  5. Step 5: Solve for x
    x = 2,243,362,660,936.00/2,138,592.89
  6. Step 6: Final answer
    x = 1,048,990.05

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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.