Home / 2,689,507.90-4,033,074.67-769,983.49

Finding the Fourth Proportional to 2,689,507.90, 4,033,074.67 and 769,983.49

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Solution

The fourth proportional to 2,689,507.90, 4,033,074.67 and 769,983.49 is: 1,154,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,507.90 : 4,033,074.67 = 769,983.49 : x
  2. Step 2: Convert to fraction form
    2,689,507.90/4,033,074.67 = 769,983.49/x
  3. Step 3: Cross multiply
    2,689,507.90x = 4,033,074.67 × 769,983.49
  4. Step 4: Simplify right side
    2,689,507.90x = 3,105,400,885,821.91
  5. Step 5: Solve for x
    x = 3,105,400,885,821.91/2,689,507.90
  6. Step 6: Final answer
    x = 1,154,635.35

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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.