Home / 2,007,505.40-3,011,549.70-659,438.60

Finding the Fourth Proportional to 2,007,505.40, 3,011,549.70 and 659,438.60

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Solution

The fourth proportional to 2,007,505.40, 3,011,549.70 and 659,438.60 is: 989,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,505.40 : 3,011,549.70 = 659,438.60 : x
  2. Step 2: Convert to fraction form
    2,007,505.40/3,011,549.70 = 659,438.60/x
  3. Step 3: Cross multiply
    2,007,505.40x = 3,011,549.70 × 659,438.60
  4. Step 4: Simplify right side
    2,007,505.40x = 1,985,932,117,998.42
  5. Step 5: Solve for x
    x = 1,985,932,117,998.42/2,007,505.40
  6. Step 6: Final answer
    x = 989,253.69

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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.