Home / 1,890,241-2,836,196.70-991,467.88

Finding the Fourth Proportional to 1,890,241, 2,836,196.70 and 991,467.88

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Solution

The fourth proportional to 1,890,241, 2,836,196.70 and 991,467.88 is: 1,487,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,241 : 2,836,196.70 = 991,467.88 : x
  2. Step 2: Convert to fraction form
    1,890,241/2,836,196.70 = 991,467.88/x
  3. Step 3: Cross multiply
    1,890,241x = 2,836,196.70 × 991,467.88
  4. Step 4: Simplify right side
    1,890,241x = 2,811,997,929,412.00
  5. Step 5: Solve for x
    x = 2,811,997,929,412.00/1,890,241
  6. Step 6: Final answer
    x = 1,487,639.90

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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.