Home / 3,349,616.80-4,622,432.40-1,821,690.40

Finding the Fourth Proportional to 3,349,616.80, 4,622,432.40 and 1,821,690.40

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Solution

The fourth proportional to 3,349,616.80, 4,622,432.40 and 1,821,690.40 is: 2,513,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,616.80 : 4,622,432.40 = 1,821,690.40 : x
  2. Step 2: Convert to fraction form
    3,349,616.80/4,622,432.40 = 1,821,690.40/x
  3. Step 3: Cross multiply
    3,349,616.80x = 4,622,432.40 × 1,821,690.40
  4. Step 4: Simplify right side
    3,349,616.80x = 8,420,640,727,728.96
  5. Step 5: Solve for x
    x = 8,420,640,727,728.96/3,349,616.80
  6. Step 6: Final answer
    x = 2,513,911.66

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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.