Home / 2,182,775.32-3,011,830.10-1,215,881.56

Finding the Fourth Proportional to 2,182,775.32, 3,011,830.10 and 1,215,881.56

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Solution

The fourth proportional to 2,182,775.32, 3,011,830.10 and 1,215,881.56 is: 1,677,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,775.32 : 3,011,830.10 = 1,215,881.56 : x
  2. Step 2: Convert to fraction form
    2,182,775.32/3,011,830.10 = 1,215,881.56/x
  3. Step 3: Cross multiply
    2,182,775.32x = 3,011,830.10 × 1,215,881.56
  4. Step 4: Simplify right side
    2,182,775.32x = 3,662,028,680,442.96
  5. Step 5: Solve for x
    x = 3,662,028,680,442.96/2,182,775.32
  6. Step 6: Final answer
    x = 1,677,693.83

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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.