Home / 3,788,428.15-5,682,691.47-1,264,083.40

Finding the Fourth Proportional to 3,788,428.15, 5,682,691.47 and 1,264,083.40

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Solution

The fourth proportional to 3,788,428.15, 5,682,691.47 and 1,264,083.40 is: 1,896,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,428.15 : 5,682,691.47 = 1,264,083.40 : x
  2. Step 2: Convert to fraction form
    3,788,428.15/5,682,691.47 = 1,264,083.40/x
  3. Step 3: Cross multiply
    3,788,428.15x = 5,682,691.47 × 1,264,083.40
  4. Step 4: Simplify right side
    3,788,428.15x = 7,183,395,940,341.87
  5. Step 5: Solve for x
    x = 7,183,395,940,341.87/3,788,428.15
  6. Step 6: Final answer
    x = 1,896,141.53

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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.