Home / 3,081,838.32-4,619,724.84-1,800,820.08

Finding the Fourth Proportional to 3,081,838.32, 4,619,724.84 and 1,800,820.08

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Solution

The fourth proportional to 3,081,838.32, 4,619,724.84 and 1,800,820.08 is: 2,699,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,838.32 : 4,619,724.84 = 1,800,820.08 : x
  2. Step 2: Convert to fraction form
    3,081,838.32/4,619,724.84 = 1,800,820.08/x
  3. Step 3: Cross multiply
    3,081,838.32x = 4,619,724.84 × 1,800,820.08
  4. Step 4: Simplify right side
    3,081,838.32x = 8,319,293,255,946.79
  5. Step 5: Solve for x
    x = 8,319,293,255,946.79/3,081,838.32
  6. Step 6: Final answer
    x = 2,699,458.05

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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.