Home / 3,878,719.76-5,818,411.20-1,183,651.04

Finding the Fourth Proportional to 3,878,719.76, 5,818,411.20 and 1,183,651.04

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Solution

The fourth proportional to 3,878,719.76, 5,818,411.20 and 1,183,651.04 is: 1,775,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,719.76 : 5,818,411.20 = 1,183,651.04 : x
  2. Step 2: Convert to fraction form
    3,878,719.76/5,818,411.20 = 1,183,651.04/x
  3. Step 3: Cross multiply
    3,878,719.76x = 5,818,411.20 × 1,183,651.04
  4. Step 4: Simplify right side
    3,878,719.76x = 6,886,968,468,027.65
  5. Step 5: Solve for x
    x = 6,886,968,468,027.65/3,878,719.76
  6. Step 6: Final answer
    x = 1,775,577.74

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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.