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Finding the Fourth Proportional to 2,905,858, 4,358,787 and 804,610

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Solution

The fourth proportional to 2,905,858, 4,358,787 and 804,610 is: 1,206,915

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,858 : 4,358,787 = 804,610 : x
  2. Step 2: Convert to fraction form
    2,905,858/4,358,787 = 804,610/x
  3. Step 3: Cross multiply
    2,905,858x = 4,358,787 × 804,610
  4. Step 4: Simplify right side
    2,905,858x = 3,507,123,608,070
  5. Step 5: Solve for x
    x = 3,507,123,608,070/2,905,858
  6. Step 6: Final answer
    x = 1,206,915

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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.