Home / 2,179,521.84-3,007,664.16-1,199,369.28

Finding the Fourth Proportional to 2,179,521.84, 3,007,664.16 and 1,199,369.28

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Solution

The fourth proportional to 2,179,521.84, 3,007,664.16 and 1,199,369.28 is: 1,655,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,521.84 : 3,007,664.16 = 1,199,369.28 : x
  2. Step 2: Convert to fraction form
    2,179,521.84/3,007,664.16 = 1,199,369.28/x
  3. Step 3: Cross multiply
    2,179,521.84x = 3,007,664.16 × 1,199,369.28
  4. Step 4: Simplify right side
    2,179,521.84x = 3,607,299,998,061.01
  5. Step 5: Solve for x
    x = 3,607,299,998,061.01/2,179,521.84
  6. Step 6: Final answer
    x = 1,655,087.80

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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.