Home / 1,897,623.42-2,618,749.83-1,038,198.03

Finding the Fourth Proportional to 1,897,623.42, 2,618,749.83 and 1,038,198.03

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Solution

The fourth proportional to 1,897,623.42, 2,618,749.83 and 1,038,198.03 is: 1,432,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,623.42 : 2,618,749.83 = 1,038,198.03 : x
  2. Step 2: Convert to fraction form
    1,897,623.42/2,618,749.83 = 1,038,198.03/x
  3. Step 3: Cross multiply
    1,897,623.42x = 2,618,749.83 × 1,038,198.03
  4. Step 4: Simplify right side
    1,897,623.42x = 2,718,780,914,568.84
  5. Step 5: Solve for x
    x = 2,718,780,914,568.84/1,897,623.42
  6. Step 6: Final answer
    x = 1,432,729.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.