Home / 3,485,495.20-5,228,242.80-1,241,706.40

Finding the Fourth Proportional to 3,485,495.20, 5,228,242.80 and 1,241,706.40

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Solution

The fourth proportional to 3,485,495.20, 5,228,242.80 and 1,241,706.40 is: 1,862,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,495.20 : 5,228,242.80 = 1,241,706.40 : x
  2. Step 2: Convert to fraction form
    3,485,495.20/5,228,242.80 = 1,241,706.40/x
  3. Step 3: Cross multiply
    3,485,495.20x = 5,228,242.80 × 1,241,706.40
  4. Step 4: Simplify right side
    3,485,495.20x = 6,491,942,545,513.92
  5. Step 5: Solve for x
    x = 6,491,942,545,513.92/3,485,495.20
  6. Step 6: Final answer
    x = 1,862,559.60

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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.