Home / 2,665,428-3,998,557.68-867,887.04

Finding the Fourth Proportional to 2,665,428, 3,998,557.68 and 867,887.04

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Solution

The fourth proportional to 2,665,428, 3,998,557.68 and 867,887.04 is: 1,301,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,428 : 3,998,557.68 = 867,887.04 : x
  2. Step 2: Convert to fraction form
    2,665,428/3,998,557.68 = 867,887.04/x
  3. Step 3: Cross multiply
    2,665,428x = 3,998,557.68 × 867,887.04
  4. Step 4: Simplify right side
    2,665,428x = 3,470,296,389,164.47
  5. Step 5: Solve for x
    x = 3,470,296,389,164.47/2,665,428
  6. Step 6: Final answer
    x = 1,301,965.91

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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.