Home / 2,643,881.46-3,964,597.47-2,137,197.30

Finding the Fourth Proportional to 2,643,881.46, 3,964,597.47 and 2,137,197.30

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Solution

The fourth proportional to 2,643,881.46, 3,964,597.47 and 2,137,197.30 is: 3,204,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,881.46 : 3,964,597.47 = 2,137,197.30 : x
  2. Step 2: Convert to fraction form
    2,643,881.46/3,964,597.47 = 2,137,197.30/x
  3. Step 3: Cross multiply
    2,643,881.46x = 3,964,597.47 × 2,137,197.30
  4. Step 4: Simplify right side
    2,643,881.46x = 8,473,127,008,470.83
  5. Step 5: Solve for x
    x = 8,473,127,008,470.83/2,643,881.46
  6. Step 6: Final answer
    x = 3,204,805.94

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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.