Home / 2,171,212.80-3,254,486.40-822,854.40

Finding the Fourth Proportional to 2,171,212.80, 3,254,486.40 and 822,854.40

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Solution

The fourth proportional to 2,171,212.80, 3,254,486.40 and 822,854.40 is: 1,233,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,212.80 : 3,254,486.40 = 822,854.40 : x
  2. Step 2: Convert to fraction form
    2,171,212.80/3,254,486.40 = 822,854.40/x
  3. Step 3: Cross multiply
    2,171,212.80x = 3,254,486.40 × 822,854.40
  4. Step 4: Simplify right side
    2,171,212.80x = 2,677,968,453,980.16
  5. Step 5: Solve for x
    x = 2,677,968,453,980.16/2,171,212.80
  6. Step 6: Final answer
    x = 1,233,397.51

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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.