Home / 3,878,333-5,818,129.86-1,146,157.64

Finding the Fourth Proportional to 3,878,333, 5,818,129.86 and 1,146,157.64

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Solution

The fourth proportional to 3,878,333, 5,818,129.86 and 1,146,157.64 is: 1,719,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,333 : 5,818,129.86 = 1,146,157.64 : x
  2. Step 2: Convert to fraction form
    3,878,333/5,818,129.86 = 1,146,157.64/x
  3. Step 3: Cross multiply
    3,878,333x = 5,818,129.86 × 1,146,157.64
  4. Step 4: Simplify right side
    3,878,333x = 6,668,493,989,551.13
  5. Step 5: Solve for x
    x = 6,668,493,989,551.13/3,878,333
  6. Step 6: Final answer
    x = 1,719,422.75

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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.