Home / 2,931,213.03-4,397,236.90-909,631.64

Finding the Fourth Proportional to 2,931,213.03, 4,397,236.90 and 909,631.64

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Solution

The fourth proportional to 2,931,213.03, 4,397,236.90 and 909,631.64 is: 1,364,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,213.03 : 4,397,236.90 = 909,631.64 : x
  2. Step 2: Convert to fraction form
    2,931,213.03/4,397,236.90 = 909,631.64/x
  3. Step 3: Cross multiply
    2,931,213.03x = 4,397,236.90 × 909,631.64
  4. Step 4: Simplify right side
    2,931,213.03x = 3,999,865,790,829.33
  5. Step 5: Solve for x
    x = 3,999,865,790,829.33/2,931,213.03
  6. Step 6: Final answer
    x = 1,364,576.97

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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.