Home / 3,236,120.60-4,857,291.30-1,640,485.40

Finding the Fourth Proportional to 3,236,120.60, 4,857,291.30 and 1,640,485.40

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Solution

The fourth proportional to 3,236,120.60, 4,857,291.30 and 1,640,485.40 is: 2,462,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236,120.60 : 4,857,291.30 = 1,640,485.40 : x
  2. Step 2: Convert to fraction form
    3,236,120.60/4,857,291.30 = 1,640,485.40/x
  3. Step 3: Cross multiply
    3,236,120.60x = 4,857,291.30 × 1,640,485.40
  4. Step 4: Simplify right side
    3,236,120.60x = 7,968,315,461,197.02
  5. Step 5: Solve for x
    x = 7,968,315,461,197.02/3,236,120.60
  6. Step 6: Final answer
    x = 2,462,304.85

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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.