Home / 2,637,688.52-3,956,458.97-840,679.83

Finding the Fourth Proportional to 2,637,688.52, 3,956,458.97 and 840,679.83

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Solution

The fourth proportional to 2,637,688.52, 3,956,458.97 and 840,679.83 is: 1,260,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,688.52 : 3,956,458.97 = 840,679.83 : x
  2. Step 2: Convert to fraction form
    2,637,688.52/3,956,458.97 = 840,679.83/x
  3. Step 3: Cross multiply
    2,637,688.52x = 3,956,458.97 × 840,679.83
  4. Step 4: Simplify right side
    2,637,688.52x = 3,326,115,263,821.64
  5. Step 5: Solve for x
    x = 3,326,115,263,821.64/2,637,688.52
  6. Step 6: Final answer
    x = 1,260,996.22

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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.