Home / 2,690,173.80-4,027,264.74-2,686,630.86

Finding the Fourth Proportional to 2,690,173.80, 4,027,264.74 and 2,686,630.86

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Solution

The fourth proportional to 2,690,173.80, 4,027,264.74 and 2,686,630.86 is: 4,021,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,173.80 : 4,027,264.74 = 2,686,630.86 : x
  2. Step 2: Convert to fraction form
    2,690,173.80/4,027,264.74 = 2,686,630.86/x
  3. Step 3: Cross multiply
    2,690,173.80x = 4,027,264.74 × 2,686,630.86
  4. Step 4: Simplify right side
    2,690,173.80x = 10,819,773,731,873.88
  5. Step 5: Solve for x
    x = 10,819,773,731,873.88/2,690,173.80
  6. Step 6: Final answer
    x = 4,021,960.86

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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.