Home / 2,889,566.87-3,987,592.13-1,665,866.45

Finding the Fourth Proportional to 2,889,566.87, 3,987,592.13 and 1,665,866.45

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Solution

The fourth proportional to 2,889,566.87, 3,987,592.13 and 1,665,866.45 is: 2,298,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,566.87 : 3,987,592.13 = 1,665,866.45 : x
  2. Step 2: Convert to fraction form
    2,889,566.87/3,987,592.13 = 1,665,866.45/x
  3. Step 3: Cross multiply
    2,889,566.87x = 3,987,592.13 × 1,665,866.45
  4. Step 4: Simplify right side
    2,889,566.87x = 6,642,795,959,784.69
  5. Step 5: Solve for x
    x = 6,642,795,959,784.69/2,889,566.87
  6. Step 6: Final answer
    x = 2,298,889.86

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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.