Home / 3,420,912.80-5,130,713.10-1,024,835.60

Finding the Fourth Proportional to 3,420,912.80, 5,130,713.10 and 1,024,835.60

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Solution

The fourth proportional to 3,420,912.80, 5,130,713.10 and 1,024,835.60 is: 1,537,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,912.80 : 5,130,713.10 = 1,024,835.60 : x
  2. Step 2: Convert to fraction form
    3,420,912.80/5,130,713.10 = 1,024,835.60/x
  3. Step 3: Cross multiply
    3,420,912.80x = 5,130,713.10 × 1,024,835.60
  4. Step 4: Simplify right side
    3,420,912.80x = 5,258,137,438,266.36
  5. Step 5: Solve for x
    x = 5,258,137,438,266.36/3,420,912.80
  6. Step 6: Final answer
    x = 1,537,056.85

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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.