Home / 5,364,011.20-8,042,906.40-1,998,558.40

Finding the Fourth Proportional to 5,364,011.20, 8,042,906.40 and 1,998,558.40

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Solution

The fourth proportional to 5,364,011.20, 8,042,906.40 and 1,998,558.40 is: 2,996,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364,011.20 : 8,042,906.40 = 1,998,558.40 : x
  2. Step 2: Convert to fraction form
    5,364,011.20/8,042,906.40 = 1,998,558.40/x
  3. Step 3: Cross multiply
    5,364,011.20x = 8,042,906.40 × 1,998,558.40
  4. Step 4: Simplify right side
    5,364,011.20x = 16,074,218,146,133.76
  5. Step 5: Solve for x
    x = 16,074,218,146,133.76/5,364,011.20
  6. Step 6: Final answer
    x = 2,996,678.71

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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.