Home / 3,138,367.85-4,331,091.50-1,742,935.88

Finding the Fourth Proportional to 3,138,367.85, 4,331,091.50 and 1,742,935.88

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Solution

The fourth proportional to 3,138,367.85, 4,331,091.50 and 1,742,935.88 is: 2,405,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,367.85 : 4,331,091.50 = 1,742,935.88 : x
  2. Step 2: Convert to fraction form
    3,138,367.85/4,331,091.50 = 1,742,935.88/x
  3. Step 3: Cross multiply
    3,138,367.85x = 4,331,091.50 × 1,742,935.88
  4. Step 4: Simplify right side
    3,138,367.85x = 7,548,814,759,199.69
  5. Step 5: Solve for x
    x = 7,548,814,759,199.69/3,138,367.85
  6. Step 6: Final answer
    x = 2,405,331.41

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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.