Home / 1,926,399.40-2,890,463.10-665,132.20

Finding the Fourth Proportional to 1,926,399.40, 2,890,463.10 and 665,132.20

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Solution

The fourth proportional to 1,926,399.40, 2,890,463.10 and 665,132.20 is: 997,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,399.40 : 2,890,463.10 = 665,132.20 : x
  2. Step 2: Convert to fraction form
    1,926,399.40/2,890,463.10 = 665,132.20/x
  3. Step 3: Cross multiply
    1,926,399.40x = 2,890,463.10 × 665,132.20
  4. Step 4: Simplify right side
    1,926,399.40x = 1,922,540,080,721.82
  5. Step 5: Solve for x
    x = 1,922,540,080,721.82/1,926,399.40
  6. Step 6: Final answer
    x = 997,996.62

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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.