Home / 1,868,078-2,802,117-605,905.62

Finding the Fourth Proportional to 1,868,078, 2,802,117 and 605,905.62

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Solution

The fourth proportional to 1,868,078, 2,802,117 and 605,905.62 is: 908,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,078 : 2,802,117 = 605,905.62 : x
  2. Step 2: Convert to fraction form
    1,868,078/2,802,117 = 605,905.62/x
  3. Step 3: Cross multiply
    1,868,078x = 2,802,117 × 605,905.62
  4. Step 4: Simplify right side
    1,868,078x = 1,697,818,438,197.54
  5. Step 5: Solve for x
    x = 1,697,818,438,197.54/1,868,078
  6. Step 6: Final answer
    x = 908,858.43

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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.