Home / 5,148,169.65-7,720,958.88-2,116,380.96

Finding the Fourth Proportional to 5,148,169.65, 7,720,958.88 and 2,116,380.96

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Solution

The fourth proportional to 5,148,169.65, 7,720,958.88 and 2,116,380.96 is: 3,174,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,169.65 : 7,720,958.88 = 2,116,380.96 : x
  2. Step 2: Convert to fraction form
    5,148,169.65/7,720,958.88 = 2,116,380.96/x
  3. Step 3: Cross multiply
    5,148,169.65x = 7,720,958.88 × 2,116,380.96
  4. Step 4: Simplify right side
    5,148,169.65x = 16,340,490,366,574.92
  5. Step 5: Solve for x
    x = 16,340,490,366,574.92/5,148,169.65
  6. Step 6: Final answer
    x = 3,174,038.83

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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.