Home / 6,428,504.12-8,870,749.43-3,814,557.71

Finding the Fourth Proportional to 6,428,504.12, 8,870,749.43 and 3,814,557.71

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Solution

The fourth proportional to 6,428,504.12, 8,870,749.43 and 3,814,557.71 is: 5,263,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,504.12 : 8,870,749.43 = 3,814,557.71 : x
  2. Step 2: Convert to fraction form
    6,428,504.12/8,870,749.43 = 3,814,557.71/x
  3. Step 3: Cross multiply
    6,428,504.12x = 8,870,749.43 × 3,814,557.71
  4. Step 4: Simplify right side
    6,428,504.12x = 33,837,985,568,258.07
  5. Step 5: Solve for x
    x = 33,837,985,568,258.07/6,428,504.12
  6. Step 6: Final answer
    x = 5,263,741.76

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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.