Home / 2,166,584.02-2,989,849.40-1,199,693.54

Finding the Fourth Proportional to 2,166,584.02, 2,989,849.40 and 1,199,693.54

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Solution

The fourth proportional to 2,166,584.02, 2,989,849.40 and 1,199,693.54 is: 1,655,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,584.02 : 2,989,849.40 = 1,199,693.54 : x
  2. Step 2: Convert to fraction form
    2,166,584.02/2,989,849.40 = 1,199,693.54/x
  3. Step 3: Cross multiply
    2,166,584.02x = 2,989,849.40 × 1,199,693.54
  4. Step 4: Simplify right side
    2,166,584.02x = 3,586,903,010,752.88
  5. Step 5: Solve for x
    x = 3,586,903,010,752.88/2,166,584.02
  6. Step 6: Final answer
    x = 1,655,556.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.