Home / 5,388,205.12-8,083,824-2,355,837.28

Finding the Fourth Proportional to 5,388,205.12, 8,083,824 and 2,355,837.28

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Solution

The fourth proportional to 5,388,205.12, 8,083,824 and 2,355,837.28 is: 3,534,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,205.12 : 8,083,824 = 2,355,837.28 : x
  2. Step 2: Convert to fraction form
    5,388,205.12/8,083,824 = 2,355,837.28/x
  3. Step 3: Cross multiply
    5,388,205.12x = 8,083,824 × 2,355,837.28
  4. Step 4: Simplify right side
    5,388,205.12x = 19,044,173,944,158.72
  5. Step 5: Solve for x
    x = 19,044,173,944,158.72/5,388,205.12
  6. Step 6: Final answer
    x = 3,534,418.89

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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.