Home / 2,161,369.07-2,982,974.45-2,090,392.72

Finding the Fourth Proportional to 2,161,369.07, 2,982,974.45 and 2,090,392.72

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Solution

The fourth proportional to 2,161,369.07, 2,982,974.45 and 2,090,392.72 is: 2,885,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,369.07 : 2,982,974.45 = 2,090,392.72 : x
  2. Step 2: Convert to fraction form
    2,161,369.07/2,982,974.45 = 2,090,392.72/x
  3. Step 3: Cross multiply
    2,161,369.07x = 2,982,974.45 × 2,090,392.72
  4. Step 4: Simplify right side
    2,161,369.07x = 6,235,588,056,316.61
  5. Step 5: Solve for x
    x = 6,235,588,056,316.61/2,161,369.07
  6. Step 6: Final answer
    x = 2,885,017.72

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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.