Home / 5,090,178.12-7,630,962.38-2,209,379.71

Finding the Fourth Proportional to 5,090,178.12, 7,630,962.38 and 2,209,379.71

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Solution

The fourth proportional to 5,090,178.12, 7,630,962.38 and 2,209,379.71 is: 3,312,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,178.12 : 7,630,962.38 = 2,209,379.71 : x
  2. Step 2: Convert to fraction form
    5,090,178.12/7,630,962.38 = 2,209,379.71/x
  3. Step 3: Cross multiply
    5,090,178.12x = 7,630,962.38 × 2,209,379.71
  4. Step 4: Simplify right side
    5,090,178.12x = 16,859,693,420,021.01
  5. Step 5: Solve for x
    x = 16,859,693,420,021.01/5,090,178.12
  6. Step 6: Final answer
    x = 3,312,201.07

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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.