Home / 1,819,708.61-2,729,912.83-697,690.13

Finding the Fourth Proportional to 1,819,708.61, 2,729,912.83 and 697,690.13

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Solution

The fourth proportional to 1,819,708.61, 2,729,912.83 and 697,690.13 is: 1,046,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,708.61 : 2,729,912.83 = 697,690.13 : x
  2. Step 2: Convert to fraction form
    1,819,708.61/2,729,912.83 = 697,690.13/x
  3. Step 3: Cross multiply
    1,819,708.61x = 2,729,912.83 × 697,690.13
  4. Step 4: Simplify right side
    1,819,708.61x = 1,904,633,221,857.58
  5. Step 5: Solve for x
    x = 1,904,633,221,857.58/1,819,708.61
  6. Step 6: Final answer
    x = 1,046,669.35

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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.