Home / 3,418,390.63-4,716,855.06-1,967,805.77

Finding the Fourth Proportional to 3,418,390.63, 4,716,855.06 and 1,967,805.77

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Solution

The fourth proportional to 3,418,390.63, 4,716,855.06 and 1,967,805.77 is: 2,715,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,390.63 : 4,716,855.06 = 1,967,805.77 : x
  2. Step 2: Convert to fraction form
    3,418,390.63/4,716,855.06 = 1,967,805.77/x
  3. Step 3: Cross multiply
    3,418,390.63x = 4,716,855.06 × 1,967,805.77
  4. Step 4: Simplify right side
    3,418,390.63x = 9,281,854,603,321.70
  5. Step 5: Solve for x
    x = 9,281,854,603,321.70/3,418,390.63
  6. Step 6: Final answer
    x = 2,715,270.32

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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.