Home / 5,443,721.21-8,165,603.19-2,205,320.13

Finding the Fourth Proportional to 5,443,721.21, 8,165,603.19 and 2,205,320.13

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Solution

The fourth proportional to 5,443,721.21, 8,165,603.19 and 2,205,320.13 is: 3,307,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443,721.21 : 8,165,603.19 = 2,205,320.13 : x
  2. Step 2: Convert to fraction form
    5,443,721.21/8,165,603.19 = 2,205,320.13/x
  3. Step 3: Cross multiply
    5,443,721.21x = 8,165,603.19 × 2,205,320.13
  4. Step 4: Simplify right side
    5,443,721.21x = 18,007,769,088,499.21
  5. Step 5: Solve for x
    x = 18,007,769,088,499.21/5,443,721.21
  6. Step 6: Final answer
    x = 3,307,988.86

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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.