Home / 2,885,887.20-3,982,262.32-1,661,866.72

Finding the Fourth Proportional to 2,885,887.20, 3,982,262.32 and 1,661,866.72

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Solution

The fourth proportional to 2,885,887.20, 3,982,262.32 and 1,661,866.72 is: 2,293,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,887.20 : 3,982,262.32 = 1,661,866.72 : x
  2. Step 2: Convert to fraction form
    2,885,887.20/3,982,262.32 = 1,661,866.72/x
  3. Step 3: Cross multiply
    2,885,887.20x = 3,982,262.32 × 1,661,866.72
  4. Step 4: Simplify right side
    2,885,887.20x = 6,617,989,219,917.99
  5. Step 5: Solve for x
    x = 6,617,989,219,917.99/2,885,887.20
  6. Step 6: Final answer
    x = 2,293,225.19

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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.