Home / 3,919,437.04-5,408,684.40-2,200,630

Finding the Fourth Proportional to 3,919,437.04, 5,408,684.40 and 2,200,630

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Solution

The fourth proportional to 3,919,437.04, 5,408,684.40 and 2,200,630 is: 3,036,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,437.04 : 5,408,684.40 = 2,200,630 : x
  2. Step 2: Convert to fraction form
    3,919,437.04/5,408,684.40 = 2,200,630/x
  3. Step 3: Cross multiply
    3,919,437.04x = 5,408,684.40 × 2,200,630
  4. Step 4: Simplify right side
    3,919,437.04x = 11,902,513,151,172
  5. Step 5: Solve for x
    x = 11,902,513,151,172/3,919,437.04
  6. Step 6: Final answer
    x = 3,036,791.52

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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.