Home / 1,875,381.82-2,588,028.12-1,015,945.48

Finding the Fourth Proportional to 1,875,381.82, 2,588,028.12 and 1,015,945.48

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Solution

The fourth proportional to 1,875,381.82, 2,588,028.12 and 1,015,945.48 is: 1,402,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,381.82 : 2,588,028.12 = 1,015,945.48 : x
  2. Step 2: Convert to fraction form
    1,875,381.82/2,588,028.12 = 1,015,945.48/x
  3. Step 3: Cross multiply
    1,875,381.82x = 2,588,028.12 × 1,015,945.48
  4. Step 4: Simplify right side
    1,875,381.82x = 2,629,295,470,626.90
  5. Step 5: Solve for x
    x = 2,629,295,470,626.90/1,875,381.82
  6. Step 6: Final answer
    x = 1,402,005.42

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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.