Home / 3,218,265.20-4,830,119.40-1,326,364.40

Finding the Fourth Proportional to 3,218,265.20, 4,830,119.40 and 1,326,364.40

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Solution

The fourth proportional to 3,218,265.20, 4,830,119.40 and 1,326,364.40 is: 1,990,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,265.20 : 4,830,119.40 = 1,326,364.40 : x
  2. Step 2: Convert to fraction form
    3,218,265.20/4,830,119.40 = 1,326,364.40/x
  3. Step 3: Cross multiply
    3,218,265.20x = 4,830,119.40 × 1,326,364.40
  4. Step 4: Simplify right side
    3,218,265.20x = 6,406,498,419,909.36
  5. Step 5: Solve for x
    x = 6,406,498,419,909.36/3,218,265.20
  6. Step 6: Final answer
    x = 1,990,668.27

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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.