Home / 2,719,271.12-4,080,703.51-1,280,366.06

Finding the Fourth Proportional to 2,719,271.12, 4,080,703.51 and 1,280,366.06

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Solution

The fourth proportional to 2,719,271.12, 4,080,703.51 and 1,280,366.06 is: 1,921,395.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,271.12 : 4,080,703.51 = 1,280,366.06 : x
  2. Step 2: Convert to fraction form
    2,719,271.12/4,080,703.51 = 1,280,366.06/x
  3. Step 3: Cross multiply
    2,719,271.12x = 4,080,703.51 × 1,280,366.06
  4. Step 4: Simplify right side
    2,719,271.12x = 5,224,794,249,121.75
  5. Step 5: Solve for x
    x = 5,224,794,249,121.75/2,719,271.12
  6. Step 6: Final answer
    x = 1,921,395.12

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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.