Home / 2,171,200.80-3,254,468.40-822,842.40

Finding the Fourth Proportional to 2,171,200.80, 3,254,468.40 and 822,842.40

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Solution

The fourth proportional to 2,171,200.80, 3,254,468.40 and 822,842.40 is: 1,233,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,200.80 : 3,254,468.40 = 822,842.40 : x
  2. Step 2: Convert to fraction form
    2,171,200.80/3,254,468.40 = 822,842.40/x
  3. Step 3: Cross multiply
    2,171,200.80x = 3,254,468.40 × 822,842.40
  4. Step 4: Simplify right side
    2,171,200.80x = 2,677,914,588,980.16
  5. Step 5: Solve for x
    x = 2,677,914,588,980.16/2,171,200.80
  6. Step 6: Final answer
    x = 1,233,379.51

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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.