Home / 4,139,791.20-6,209,686.80-3,132,021.60

Finding the Fourth Proportional to 4,139,791.20, 6,209,686.80 and 3,132,021.60

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Solution

The fourth proportional to 4,139,791.20, 6,209,686.80 and 3,132,021.60 is: 4,698,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,791.20 : 6,209,686.80 = 3,132,021.60 : x
  2. Step 2: Convert to fraction form
    4,139,791.20/6,209,686.80 = 3,132,021.60/x
  3. Step 3: Cross multiply
    4,139,791.20x = 6,209,686.80 × 3,132,021.60
  4. Step 4: Simplify right side
    4,139,791.20x = 19,448,873,186,834.88
  5. Step 5: Solve for x
    x = 19,448,873,186,834.88/4,139,791.20
  6. Step 6: Final answer
    x = 4,698,032.40

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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.