Home / 3,618,675.40-5,430,086.70-1,376,422.60

Finding the Fourth Proportional to 3,618,675.40, 5,430,086.70 and 1,376,422.60

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Solution

The fourth proportional to 3,618,675.40, 5,430,086.70 and 1,376,422.60 is: 2,065,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,675.40 : 5,430,086.70 = 1,376,422.60 : x
  2. Step 2: Convert to fraction form
    3,618,675.40/5,430,086.70 = 1,376,422.60/x
  3. Step 3: Cross multiply
    3,618,675.40x = 5,430,086.70 × 1,376,422.60
  4. Step 4: Simplify right side
    3,618,675.40x = 7,474,094,053,839.42
  5. Step 5: Solve for x
    x = 7,474,094,053,839.42/3,618,675.40
  6. Step 6: Final answer
    x = 2,065,422.63

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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.