Home / 2,719,975.80-4,078,797.30-1,371,617.40

Finding the Fourth Proportional to 2,719,975.80, 4,078,797.30 and 1,371,617.40

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Solution

The fourth proportional to 2,719,975.80, 4,078,797.30 and 1,371,617.40 is: 2,056,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,975.80 : 4,078,797.30 = 1,371,617.40 : x
  2. Step 2: Convert to fraction form
    2,719,975.80/4,078,797.30 = 1,371,617.40/x
  3. Step 3: Cross multiply
    2,719,975.80x = 4,078,797.30 × 1,371,617.40
  4. Step 4: Simplify right side
    2,719,975.80x = 5,594,549,347,753.02
  5. Step 5: Solve for x
    x = 5,594,549,347,753.02/2,719,975.80
  6. Step 6: Final answer
    x = 2,056,837.91

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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.