Home / 3,913,458.12-5,398,284.42-2,460,853.80

Finding the Fourth Proportional to 3,913,458.12, 5,398,284.42 and 2,460,853.80

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Solution

The fourth proportional to 3,913,458.12, 5,398,284.42 and 2,460,853.80 is: 3,394,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,458.12 : 5,398,284.42 = 2,460,853.80 : x
  2. Step 2: Convert to fraction form
    3,913,458.12/5,398,284.42 = 2,460,853.80/x
  3. Step 3: Cross multiply
    3,913,458.12x = 5,398,284.42 × 2,460,853.80
  4. Step 4: Simplify right side
    3,913,458.12x = 13,284,388,728,437.79
  5. Step 5: Solve for x
    x = 13,284,388,728,437.79/3,913,458.12
  6. Step 6: Final answer
    x = 3,394,539.64

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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.