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Finding the Fourth Proportional to 3,769,991.12, 5,202,641.00 and 2,051,113.01

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Solution

The fourth proportional to 3,769,991.12, 5,202,641.00 and 2,051,113.01 is: 2,830,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769,991.12 : 5,202,641.00 = 2,051,113.01 : x
  2. Step 2: Convert to fraction form
    3,769,991.12/5,202,641.00 = 2,051,113.01/x
  3. Step 3: Cross multiply
    3,769,991.12x = 5,202,641.00 × 2,051,113.01
  4. Step 4: Simplify right side
    3,769,991.12x = 10,671,204,620,573.99
  5. Step 5: Solve for x
    x = 10,671,204,620,573.99/3,769,991.12
  6. Step 6: Final answer
    x = 2,830,564.92

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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.