Home / 2,887,205.11-3,985,338.51-1,663,999.00

Finding the Fourth Proportional to 2,887,205.11, 3,985,338.51 and 1,663,999.00

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Solution

The fourth proportional to 2,887,205.11, 3,985,338.51 and 1,663,999.00 is: 2,296,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,205.11 : 3,985,338.51 = 1,663,999.00 : x
  2. Step 2: Convert to fraction form
    2,887,205.11/3,985,338.51 = 1,663,999.00/x
  3. Step 3: Cross multiply
    2,887,205.11x = 3,985,338.51 × 1,663,999.00
  4. Step 4: Simplify right side
    2,887,205.11x = 6,631,599,285,338.14
  5. Step 5: Solve for x
    x = 6,631,599,285,338.14/2,887,205.11
  6. Step 6: Final answer
    x = 2,296,892.34

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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.