Home / 2,658,898.42-3,989,352.79-1,040,823.66

Finding the Fourth Proportional to 2,658,898.42, 3,989,352.79 and 1,040,823.66

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Solution

The fourth proportional to 2,658,898.42, 3,989,352.79 and 1,040,823.66 is: 1,561,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,898.42 : 3,989,352.79 = 1,040,823.66 : x
  2. Step 2: Convert to fraction form
    2,658,898.42/3,989,352.79 = 1,040,823.66/x
  3. Step 3: Cross multiply
    2,658,898.42x = 3,989,352.79 × 1,040,823.66
  4. Step 4: Simplify right side
    2,658,898.42x = 4,152,212,771,919.01
  5. Step 5: Solve for x
    x = 4,152,212,771,919.01/2,658,898.42
  6. Step 6: Final answer
    x = 1,561,628.96

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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.