Home / 2,118,435.39-3,176,654.22-769,646.88

Finding the Fourth Proportional to 2,118,435.39, 3,176,654.22 and 769,646.88

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Solution

The fourth proportional to 2,118,435.39, 3,176,654.22 and 769,646.88 is: 1,154,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,435.39 : 3,176,654.22 = 769,646.88 : x
  2. Step 2: Convert to fraction form
    2,118,435.39/3,176,654.22 = 769,646.88/x
  3. Step 3: Cross multiply
    2,118,435.39x = 3,176,654.22 × 769,646.88
  4. Step 4: Simplify right side
    2,118,435.39x = 2,444,902,009,261.83
  5. Step 5: Solve for x
    x = 2,444,902,009,261.83/2,118,435.39
  6. Step 6: Final answer
    x = 1,154,107.42

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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.