Home / 1,888,859.40-2,834,123.82-990,086.23

Finding the Fourth Proportional to 1,888,859.40, 2,834,123.82 and 990,086.23

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Solution

The fourth proportional to 1,888,859.40, 2,834,123.82 and 990,086.23 is: 1,485,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,859.40 : 2,834,123.82 = 990,086.23 : x
  2. Step 2: Convert to fraction form
    1,888,859.40/2,834,123.82 = 990,086.23/x
  3. Step 3: Cross multiply
    1,888,859.40x = 2,834,123.82 × 990,086.23
  4. Step 4: Simplify right side
    1,888,859.40x = 2,806,026,968,297.00
  5. Step 5: Solve for x
    x = 2,806,026,968,297.00/1,888,859.40
  6. Step 6: Final answer
    x = 1,485,566.88

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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.