Home / 4,857,209.70-7,285,814.55-1,490,979.30

Finding the Fourth Proportional to 4,857,209.70, 7,285,814.55 and 1,490,979.30

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Solution

The fourth proportional to 4,857,209.70, 7,285,814.55 and 1,490,979.30 is: 2,236,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,209.70 : 7,285,814.55 = 1,490,979.30 : x
  2. Step 2: Convert to fraction form
    4,857,209.70/7,285,814.55 = 1,490,979.30/x
  3. Step 3: Cross multiply
    4,857,209.70x = 7,285,814.55 × 1,490,979.30
  4. Step 4: Simplify right side
    4,857,209.70x = 10,862,998,677,688.81
  5. Step 5: Solve for x
    x = 10,862,998,677,688.81/4,857,209.70
  6. Step 6: Final answer
    x = 2,236,468.95

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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.