Home / 1,910,658.51-2,636,275.82-1,394,693.57

Finding the Fourth Proportional to 1,910,658.51, 2,636,275.82 and 1,394,693.57

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Solution

The fourth proportional to 1,910,658.51, 2,636,275.82 and 1,394,693.57 is: 1,924,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,658.51 : 2,636,275.82 = 1,394,693.57 : x
  2. Step 2: Convert to fraction form
    1,910,658.51/2,636,275.82 = 1,394,693.57/x
  3. Step 3: Cross multiply
    1,910,658.51x = 2,636,275.82 × 1,394,693.57
  4. Step 4: Simplify right side
    1,910,658.51x = 3,676,796,934,517.70
  5. Step 5: Solve for x
    x = 3,676,796,934,517.70/1,910,658.51
  6. Step 6: Final answer
    x = 1,924,361.11

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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.