Home / 2,133,999.90-3,200,999.85-1,765,359.90

Finding the Fourth Proportional to 2,133,999.90, 3,200,999.85 and 1,765,359.90

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Solution

The fourth proportional to 2,133,999.90, 3,200,999.85 and 1,765,359.90 is: 2,648,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,999.90 : 3,200,999.85 = 1,765,359.90 : x
  2. Step 2: Convert to fraction form
    2,133,999.90/3,200,999.85 = 1,765,359.90/x
  3. Step 3: Cross multiply
    2,133,999.90x = 3,200,999.85 × 1,765,359.90
  4. Step 4: Simplify right side
    2,133,999.90x = 5,650,916,775,096.02
  5. Step 5: Solve for x
    x = 5,650,916,775,096.02/2,133,999.90
  6. Step 6: Final answer
    x = 2,648,039.85

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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.