Home / 3,910,018.80-5,862,403.80-1,889,230.80

Finding the Fourth Proportional to 3,910,018.80, 5,862,403.80 and 1,889,230.80

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Solution

The fourth proportional to 3,910,018.80, 5,862,403.80 and 1,889,230.80 is: 2,832,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,018.80 : 5,862,403.80 = 1,889,230.80 : x
  2. Step 2: Convert to fraction form
    3,910,018.80/5,862,403.80 = 1,889,230.80/x
  3. Step 3: Cross multiply
    3,910,018.80x = 5,862,403.80 × 1,889,230.80
  4. Step 4: Simplify right side
    3,910,018.80x = 11,075,433,820,997.04
  5. Step 5: Solve for x
    x = 11,075,433,820,997.04/3,910,018.80
  6. Step 6: Final answer
    x = 2,832,578.15

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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.