Home / 3,037,021.70-4,191,108.90-1,660,368.38

Finding the Fourth Proportional to 3,037,021.70, 4,191,108.90 and 1,660,368.38

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Solution

The fourth proportional to 3,037,021.70, 4,191,108.90 and 1,660,368.38 is: 2,291,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037,021.70 : 4,191,108.90 = 1,660,368.38 : x
  2. Step 2: Convert to fraction form
    3,037,021.70/4,191,108.90 = 1,660,368.38/x
  3. Step 3: Cross multiply
    3,037,021.70x = 4,191,108.90 × 1,660,368.38
  4. Step 4: Simplify right side
    3,037,021.70x = 6,958,784,694,696.58
  5. Step 5: Solve for x
    x = 6,958,784,694,696.58/3,037,021.70
  6. Step 6: Final answer
    x = 2,291,318.73

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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.