Home / 5,388,887.20-7,436,844.40-2,941,643.28

Finding the Fourth Proportional to 5,388,887.20, 7,436,844.40 and 2,941,643.28

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Solution

The fourth proportional to 5,388,887.20, 7,436,844.40 and 2,941,643.28 is: 4,059,566.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,887.20 : 7,436,844.40 = 2,941,643.28 : x
  2. Step 2: Convert to fraction form
    5,388,887.20/7,436,844.40 = 2,941,643.28/x
  3. Step 3: Cross multiply
    5,388,887.20x = 7,436,844.40 × 2,941,643.28
  4. Step 4: Simplify right side
    5,388,887.20x = 21,876,543,353,665.63
  5. Step 5: Solve for x
    x = 21,876,543,353,665.63/5,388,887.20
  6. Step 6: Final answer
    x = 4,059,566.02

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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.