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Finding the Fourth Proportional to 1,883,709.02, 2,823,904.65 and 747,269.33

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Solution

The fourth proportional to 1,883,709.02, 2,823,904.65 and 747,269.33 is: 1,120,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,709.02 : 2,823,904.65 = 747,269.33 : x
  2. Step 2: Convert to fraction form
    1,883,709.02/2,823,904.65 = 747,269.33/x
  3. Step 3: Cross multiply
    1,883,709.02x = 2,823,904.65 × 747,269.33
  4. Step 4: Simplify right side
    1,883,709.02x = 2,110,217,321,669.86
  5. Step 5: Solve for x
    x = 2,110,217,321,669.86/1,883,709.02
  6. Step 6: Final answer
    x = 1,120,245.91

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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.