Home / 3,408,840.39-5,114,116.95-979,998.06

Finding the Fourth Proportional to 3,408,840.39, 5,114,116.95 and 979,998.06

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Solution

The fourth proportional to 3,408,840.39, 5,114,116.95 and 979,998.06 is: 1,470,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,840.39 : 5,114,116.95 = 979,998.06 : x
  2. Step 2: Convert to fraction form
    3,408,840.39/5,114,116.95 = 979,998.06/x
  3. Step 3: Cross multiply
    3,408,840.39x = 5,114,116.95 × 979,998.06
  4. Step 4: Simplify right side
    3,408,840.39x = 5,011,824,689,613.12
  5. Step 5: Solve for x
    x = 5,011,824,689,613.12/3,408,840.39
  6. Step 6: Final answer
    x = 1,470,243.28

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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.