Home / 1,611,001.82-2,223,135.50-885,848.78

Finding the Fourth Proportional to 1,611,001.82, 2,223,135.50 and 885,848.78

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Solution

The fourth proportional to 1,611,001.82, 2,223,135.50 and 885,848.78 is: 1,222,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,001.82 : 2,223,135.50 = 885,848.78 : x
  2. Step 2: Convert to fraction form
    1,611,001.82/2,223,135.50 = 885,848.78/x
  3. Step 3: Cross multiply
    1,611,001.82x = 2,223,135.50 × 885,848.78
  4. Step 4: Simplify right side
    1,611,001.82x = 1,969,361,870,449.69
  5. Step 5: Solve for x
    x = 1,969,361,870,449.69/1,611,001.82
  6. Step 6: Final answer
    x = 1,222,445.47

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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.