Home / 3,238,941.80-4,861,350.30-1,642,615.40

Finding the Fourth Proportional to 3,238,941.80, 4,861,350.30 and 1,642,615.40

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Solution

The fourth proportional to 3,238,941.80, 4,861,350.30 and 1,642,615.40 is: 2,465,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,941.80 : 4,861,350.30 = 1,642,615.40 : x
  2. Step 2: Convert to fraction form
    3,238,941.80/4,861,350.30 = 1,642,615.40/x
  3. Step 3: Cross multiply
    3,238,941.80x = 4,861,350.30 × 1,642,615.40
  4. Step 4: Simplify right side
    3,238,941.80x = 7,985,328,867,574.62
  5. Step 5: Solve for x
    x = 7,985,328,867,574.62/3,238,941.80
  6. Step 6: Final answer
    x = 2,465,412.89

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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.