Home / 5,201,915.20-7,804,233.60-2,007,145.60

Finding the Fourth Proportional to 5,201,915.20, 7,804,233.60 and 2,007,145.60

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Solution

The fourth proportional to 5,201,915.20, 7,804,233.60 and 2,007,145.60 is: 3,011,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201,915.20 : 7,804,233.60 = 2,007,145.60 : x
  2. Step 2: Convert to fraction form
    5,201,915.20/7,804,233.60 = 2,007,145.60/x
  3. Step 3: Cross multiply
    5,201,915.20x = 7,804,233.60 × 2,007,145.60
  4. Step 4: Simplify right side
    5,201,915.20x = 15,664,233,131,612.16
  5. Step 5: Solve for x
    x = 15,664,233,131,612.16/5,201,915.20
  6. Step 6: Final answer
    x = 3,011,243.46

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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.