Home / 1,664,605.53-2,296,909.35-1,010,891.61

Finding the Fourth Proportional to 1,664,605.53, 2,296,909.35 and 1,010,891.61

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Solution

The fourth proportional to 1,664,605.53, 2,296,909.35 and 1,010,891.61 is: 1,394,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,605.53 : 2,296,909.35 = 1,010,891.61 : x
  2. Step 2: Convert to fraction form
    1,664,605.53/2,296,909.35 = 1,010,891.61/x
  3. Step 3: Cross multiply
    1,664,605.53x = 2,296,909.35 × 1,010,891.61
  4. Step 4: Simplify right side
    1,664,605.53x = 2,321,926,390,845.55
  5. Step 5: Solve for x
    x = 2,321,926,390,845.55/1,664,605.53
  6. Step 6: Final answer
    x = 1,394,880.86

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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.