Home / 1,868,080-2,802,120-605,907.62

Finding the Fourth Proportional to 1,868,080, 2,802,120 and 605,907.62

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Solution

The fourth proportional to 1,868,080, 2,802,120 and 605,907.62 is: 908,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,080 : 2,802,120 = 605,907.62 : x
  2. Step 2: Convert to fraction form
    1,868,080/2,802,120 = 605,907.62/x
  3. Step 3: Cross multiply
    1,868,080x = 2,802,120 × 605,907.62
  4. Step 4: Simplify right side
    1,868,080x = 1,697,825,860,154.40
  5. Step 5: Solve for x
    x = 1,697,825,860,154.40/1,868,080
  6. Step 6: Final answer
    x = 908,861.43

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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.