Home / 2,689,062.30-4,030,542.59-1,678,635.50

Finding the Fourth Proportional to 2,689,062.30, 4,030,542.59 and 1,678,635.50

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Solution

The fourth proportional to 2,689,062.30, 4,030,542.59 and 1,678,635.50 is: 2,516,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,062.30 : 4,030,542.59 = 1,678,635.50 : x
  2. Step 2: Convert to fraction form
    2,689,062.30/4,030,542.59 = 1,678,635.50/x
  3. Step 3: Cross multiply
    2,689,062.30x = 4,030,542.59 × 1,678,635.50
  4. Step 4: Simplify right side
    2,689,062.30x = 6,765,811,847,290.06
  5. Step 5: Solve for x
    x = 6,765,811,847,290.06/2,689,062.30
  6. Step 6: Final answer
    x = 2,516,048.75

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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.