Home / 2,810,771.64-3,878,832.69-1,521,583.74

Finding the Fourth Proportional to 2,810,771.64, 3,878,832.69 and 1,521,583.74

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Solution

The fourth proportional to 2,810,771.64, 3,878,832.69 and 1,521,583.74 is: 2,099,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,771.64 : 3,878,832.69 = 1,521,583.74 : x
  2. Step 2: Convert to fraction form
    2,810,771.64/3,878,832.69 = 1,521,583.74/x
  3. Step 3: Cross multiply
    2,810,771.64x = 3,878,832.69 × 1,521,583.74
  4. Step 4: Simplify right side
    2,810,771.64x = 5,901,968,751,284.46
  5. Step 5: Solve for x
    x = 5,901,968,751,284.46/2,810,771.64
  6. Step 6: Final answer
    x = 2,099,768.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.