Home / 3,054,959.56-4,215,867.78-1,909,714.60

Finding the Fourth Proportional to 3,054,959.56, 4,215,867.78 and 1,909,714.60

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Solution

The fourth proportional to 3,054,959.56, 4,215,867.78 and 1,909,714.60 is: 2,635,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054,959.56 : 4,215,867.78 = 1,909,714.60 : x
  2. Step 2: Convert to fraction form
    3,054,959.56/4,215,867.78 = 1,909,714.60/x
  3. Step 3: Cross multiply
    3,054,959.56x = 4,215,867.78 × 1,909,714.60
  4. Step 4: Simplify right side
    3,054,959.56x = 8,051,104,251,135.59
  5. Step 5: Solve for x
    x = 8,051,104,251,135.59/3,054,959.56
  6. Step 6: Final answer
    x = 2,635,420.89

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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.