Home / 2,689,069.30-4,030,553.10-1,678,642.48

Finding the Fourth Proportional to 2,689,069.30, 4,030,553.10 and 1,678,642.48

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Solution

The fourth proportional to 2,689,069.30, 4,030,553.10 and 1,678,642.48 is: 2,516,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,069.30 : 4,030,553.10 = 1,678,642.48 : x
  2. Step 2: Convert to fraction form
    2,689,069.30/4,030,553.10 = 1,678,642.48/x
  3. Step 3: Cross multiply
    2,689,069.30x = 4,030,553.10 × 1,678,642.48
  4. Step 4: Simplify right side
    2,689,069.30x = 6,765,857,651,555.69
  5. Step 5: Solve for x
    x = 6,765,857,651,555.69/2,689,069.30
  6. Step 6: Final answer
    x = 2,516,059.24

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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.