Home / 3,400,344.64-4,692,118.78-1,929,784.88

Finding the Fourth Proportional to 3,400,344.64, 4,692,118.78 and 1,929,784.88

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Solution

The fourth proportional to 3,400,344.64, 4,692,118.78 and 1,929,784.88 is: 2,662,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,344.64 : 4,692,118.78 = 1,929,784.88 : x
  2. Step 2: Convert to fraction form
    3,400,344.64/4,692,118.78 = 1,929,784.88/x
  3. Step 3: Cross multiply
    3,400,344.64x = 4,692,118.78 × 1,929,784.88
  4. Step 4: Simplify right side
    3,400,344.64x = 9,054,779,876,808.05
  5. Step 5: Solve for x
    x = 9,054,779,876,808.05/3,400,344.64
  6. Step 6: Final answer
    x = 2,662,900.63

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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.