Home / 2,099,682.78-2,897,562.93-1,228,684.92

Finding the Fourth Proportional to 2,099,682.78, 2,897,562.93 and 1,228,684.92

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Solution

The fourth proportional to 2,099,682.78, 2,897,562.93 and 1,228,684.92 is: 1,695,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,682.78 : 2,897,562.93 = 1,228,684.92 : x
  2. Step 2: Convert to fraction form
    2,099,682.78/2,897,562.93 = 1,228,684.92/x
  3. Step 3: Cross multiply
    2,099,682.78x = 2,897,562.93 × 1,228,684.92
  4. Step 4: Simplify right side
    2,099,682.78x = 3,560,191,876,842.02
  5. Step 5: Solve for x
    x = 3,560,191,876,842.02/2,099,682.78
  6. Step 6: Final answer
    x = 1,695,585.60

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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.