Home / 3,211,585-4,431,987.30-1,780,801

Finding the Fourth Proportional to 3,211,585, 4,431,987.30 and 1,780,801

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Solution

The fourth proportional to 3,211,585, 4,431,987.30 and 1,780,801 is: 2,457,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,585 : 4,431,987.30 = 1,780,801 : x
  2. Step 2: Convert to fraction form
    3,211,585/4,431,987.30 = 1,780,801/x
  3. Step 3: Cross multiply
    3,211,585x = 4,431,987.30 × 1,780,801
  4. Step 4: Simplify right side
    3,211,585x = 7,892,487,415,827.30
  5. Step 5: Solve for x
    x = 7,892,487,415,827.30/3,211,585
  6. Step 6: Final answer
    x = 2,457,505.38

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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.