Home / 2,320,429.13-3,202,143.95-1,287,876.34

Finding the Fourth Proportional to 2,320,429.13, 3,202,143.95 and 1,287,876.34

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Solution

The fourth proportional to 2,320,429.13, 3,202,143.95 and 1,287,876.34 is: 1,777,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,429.13 : 3,202,143.95 = 1,287,876.34 : x
  2. Step 2: Convert to fraction form
    2,320,429.13/3,202,143.95 = 1,287,876.34/x
  3. Step 3: Cross multiply
    2,320,429.13x = 3,202,143.95 × 1,287,876.34
  4. Step 4: Simplify right side
    2,320,429.13x = 4,123,965,430,457.21
  5. Step 5: Solve for x
    x = 4,123,965,430,457.21/2,320,429.13
  6. Step 6: Final answer
    x = 1,777,242.57

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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.