Home / 3,892,942.84-5,371,877.28-2,174,026.48

Finding the Fourth Proportional to 3,892,942.84, 5,371,877.28 and 2,174,026.48

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Solution

The fourth proportional to 3,892,942.84, 5,371,877.28 and 2,174,026.48 is: 2,999,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,942.84 : 5,371,877.28 = 2,174,026.48 : x
  2. Step 2: Convert to fraction form
    3,892,942.84/5,371,877.28 = 2,174,026.48/x
  3. Step 3: Cross multiply
    3,892,942.84x = 5,371,877.28 × 2,174,026.48
  4. Step 4: Simplify right side
    3,892,942.84x = 11,678,603,454,030.38
  5. Step 5: Solve for x
    x = 11,678,603,454,030.38/3,892,942.84
  6. Step 6: Final answer
    x = 2,999,942.19

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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.