Home / 3,839,621.68-5,758,802.12-1,280,856.32

Finding the Fourth Proportional to 3,839,621.68, 5,758,802.12 and 1,280,856.32

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Solution

The fourth proportional to 3,839,621.68, 5,758,802.12 and 1,280,856.32 is: 1,921,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,621.68 : 5,758,802.12 = 1,280,856.32 : x
  2. Step 2: Convert to fraction form
    3,839,621.68/5,758,802.12 = 1,280,856.32/x
  3. Step 3: Cross multiply
    3,839,621.68x = 5,758,802.12 × 1,280,856.32
  4. Step 4: Simplify right side
    3,839,621.68x = 7,376,198,091,031.40
  5. Step 5: Solve for x
    x = 7,376,198,091,031.40/3,839,621.68
  6. Step 6: Final answer
    x = 1,921,074.19

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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.