Home / 2,389,896.30-3,298,015.22-1,302,176.87

Finding the Fourth Proportional to 2,389,896.30, 3,298,015.22 and 1,302,176.87

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Solution

The fourth proportional to 2,389,896.30, 3,298,015.22 and 1,302,176.87 is: 1,796,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,896.30 : 3,298,015.22 = 1,302,176.87 : x
  2. Step 2: Convert to fraction form
    2,389,896.30/3,298,015.22 = 1,302,176.87/x
  3. Step 3: Cross multiply
    2,389,896.30x = 3,298,015.22 × 1,302,176.87
  4. Step 4: Simplify right side
    2,389,896.30x = 4,294,599,113,391.00
  5. Step 5: Solve for x
    x = 4,294,599,113,391.00/2,389,896.30
  6. Step 6: Final answer
    x = 1,796,981.36

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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.