Home / 1,917,675.84-2,646,542.25-1,102,164.21

Finding the Fourth Proportional to 1,917,675.84, 2,646,542.25 and 1,102,164.21

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Solution

The fourth proportional to 1,917,675.84, 2,646,542.25 and 1,102,164.21 is: 1,521,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,675.84 : 2,646,542.25 = 1,102,164.21 : x
  2. Step 2: Convert to fraction form
    1,917,675.84/2,646,542.25 = 1,102,164.21/x
  3. Step 3: Cross multiply
    1,917,675.84x = 2,646,542.25 × 1,102,164.21
  4. Step 4: Simplify right side
    1,917,675.84x = 2,916,924,148,202.87
  5. Step 5: Solve for x
    x = 2,916,924,148,202.87/1,917,675.84
  6. Step 6: Final answer
    x = 1,521,072.59

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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.