Home / 5,184,990.15-7,154,218.20-2,979,426.80

Finding the Fourth Proportional to 5,184,990.15, 7,154,218.20 and 2,979,426.80

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Solution

The fourth proportional to 5,184,990.15, 7,154,218.20 and 2,979,426.80 is: 4,110,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,990.15 : 7,154,218.20 = 2,979,426.80 : x
  2. Step 2: Convert to fraction form
    5,184,990.15/7,154,218.20 = 2,979,426.80/x
  3. Step 3: Cross multiply
    5,184,990.15x = 7,154,218.20 × 2,979,426.80
  4. Step 4: Simplify right side
    5,184,990.15x = 21,315,469,423,230.62
  5. Step 5: Solve for x
    x = 21,315,469,423,230.62/5,184,990.15
  6. Step 6: Final answer
    x = 4,110,995.17

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Double scale
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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.