Home / 5,072,722.10-7,000,624.77-2,780,979.38

Finding the Fourth Proportional to 5,072,722.10, 7,000,624.77 and 2,780,979.38

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Solution

The fourth proportional to 5,072,722.10, 7,000,624.77 and 2,780,979.38 is: 3,837,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072,722.10 : 7,000,624.77 = 2,780,979.38 : x
  2. Step 2: Convert to fraction form
    5,072,722.10/7,000,624.77 = 2,780,979.38/x
  3. Step 3: Cross multiply
    5,072,722.10x = 7,000,624.77 × 2,780,979.38
  4. Step 4: Simplify right side
    5,072,722.10x = 19,468,593,132,487.24
  5. Step 5: Solve for x
    x = 19,468,593,132,487.24/5,072,722.10
  6. Step 6: Final answer
    x = 3,837,898.62

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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.