Home / 3,042,909.75-4,199,346.69-1,684,782.75

Finding the Fourth Proportional to 3,042,909.75, 4,199,346.69 and 1,684,782.75

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Solution

The fourth proportional to 3,042,909.75, 4,199,346.69 and 1,684,782.75 is: 2,325,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,909.75 : 4,199,346.69 = 1,684,782.75 : x
  2. Step 2: Convert to fraction form
    3,042,909.75/4,199,346.69 = 1,684,782.75/x
  3. Step 3: Cross multiply
    3,042,909.75x = 4,199,346.69 × 1,684,782.75
  4. Step 4: Simplify right side
    3,042,909.75x = 7,074,986,864,581.60
  5. Step 5: Solve for x
    x = 7,074,986,864,581.60/3,042,909.75
  6. Step 6: Final answer
    x = 2,325,072.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.