Home / 5,389,465.92-8,077,178.40-2,190,855.84

Finding the Fourth Proportional to 5,389,465.92, 8,077,178.40 and 2,190,855.84

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Solution

The fourth proportional to 5,389,465.92, 8,077,178.40 and 2,190,855.84 is: 3,283,429.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,465.92 : 8,077,178.40 = 2,190,855.84 : x
  2. Step 2: Convert to fraction form
    5,389,465.92/8,077,178.40 = 2,190,855.84/x
  3. Step 3: Cross multiply
    5,389,465.92x = 8,077,178.40 × 2,190,855.84
  4. Step 4: Simplify right side
    5,389,465.92x = 17,695,933,468,361.86
  5. Step 5: Solve for x
    x = 17,695,933,468,361.86/5,389,465.92
  6. Step 6: Final answer
    x = 3,283,429.89

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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.