Home / 2,019,805.96-2,787,328.08-1,102,034.56

Finding the Fourth Proportional to 2,019,805.96, 2,787,328.08 and 1,102,034.56

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Solution

The fourth proportional to 2,019,805.96, 2,787,328.08 and 1,102,034.56 is: 1,520,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,805.96 : 2,787,328.08 = 1,102,034.56 : x
  2. Step 2: Convert to fraction form
    2,019,805.96/2,787,328.08 = 1,102,034.56/x
  3. Step 3: Cross multiply
    2,019,805.96x = 2,787,328.08 × 1,102,034.56
  4. Step 4: Simplify right side
    2,019,805.96x = 3,071,731,874,218.45
  5. Step 5: Solve for x
    x = 3,071,731,874,218.45/2,019,805.96
  6. Step 6: Final answer
    x = 1,520,805.43

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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.