Home / 5,211,876.96-7,192,821.12-2,889,498.24

Finding the Fourth Proportional to 5,211,876.96, 7,192,821.12 and 2,889,498.24

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Solution

The fourth proportional to 5,211,876.96, 7,192,821.12 and 2,889,498.24 is: 3,987,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,876.96 : 7,192,821.12 = 2,889,498.24 : x
  2. Step 2: Convert to fraction form
    5,211,876.96/7,192,821.12 = 2,889,498.24/x
  3. Step 3: Cross multiply
    5,211,876.96x = 7,192,821.12 × 2,889,498.24
  4. Step 4: Simplify right side
    5,211,876.96x = 20,783,643,983,012.29
  5. Step 5: Solve for x
    x = 20,783,643,983,012.29/5,211,876.96
  6. Step 6: Final answer
    x = 3,987,746.47

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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.