Home / 6,128,811.69-8,457,977.03-3,806,975.79

Finding the Fourth Proportional to 6,128,811.69, 8,457,977.03 and 3,806,975.79

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Solution

The fourth proportional to 6,128,811.69, 8,457,977.03 and 3,806,975.79 is: 5,253,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,811.69 : 8,457,977.03 = 3,806,975.79 : x
  2. Step 2: Convert to fraction form
    6,128,811.69/8,457,977.03 = 3,806,975.79/x
  3. Step 3: Cross multiply
    6,128,811.69x = 8,457,977.03 × 3,806,975.79
  4. Step 4: Simplify right side
    6,128,811.69x = 32,199,313,773,394.33
  5. Step 5: Solve for x
    x = 32,199,313,773,394.33/6,128,811.69
  6. Step 6: Final answer
    x = 5,253,761.32

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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.