Home / 2,517,975.66-3,778,078.86-1,319,611.74

Finding the Fourth Proportional to 2,517,975.66, 3,778,078.86 and 1,319,611.74

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Solution

The fourth proportional to 2,517,975.66, 3,778,078.86 and 1,319,611.74 is: 1,980,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517,975.66 : 3,778,078.86 = 1,319,611.74 : x
  2. Step 2: Convert to fraction form
    2,517,975.66/3,778,078.86 = 1,319,611.74/x
  3. Step 3: Cross multiply
    2,517,975.66x = 3,778,078.86 × 1,319,611.74
  4. Step 4: Simplify right side
    2,517,975.66x = 4,985,597,218,301.82
  5. Step 5: Solve for x
    x = 4,985,597,218,301.82/2,517,975.66
  6. Step 6: Final answer
    x = 1,980,002.15

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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.