Home / 1,900,844.28-2,851,028.55-621,344.67

Finding the Fourth Proportional to 1,900,844.28, 2,851,028.55 and 621,344.67

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Solution

The fourth proportional to 1,900,844.28, 2,851,028.55 and 621,344.67 is: 931,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,844.28 : 2,851,028.55 = 621,344.67 : x
  2. Step 2: Convert to fraction form
    1,900,844.28/2,851,028.55 = 621,344.67/x
  3. Step 3: Cross multiply
    1,900,844.28x = 2,851,028.55 × 621,344.67
  4. Step 4: Simplify right side
    1,900,844.28x = 1,771,471,393,560.33
  5. Step 5: Solve for x
    x = 1,771,471,393,560.33/1,900,844.28
  6. Step 6: Final answer
    x = 931,939.25

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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.