Home / 1,889,245.32-2,829,714.10-1,561,316.86

Finding the Fourth Proportional to 1,889,245.32, 2,829,714.10 and 1,561,316.86

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Solution

The fourth proportional to 1,889,245.32, 2,829,714.10 and 1,561,316.86 is: 2,338,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,245.32 : 2,829,714.10 = 1,561,316.86 : x
  2. Step 2: Convert to fraction form
    1,889,245.32/2,829,714.10 = 1,561,316.86/x
  3. Step 3: Cross multiply
    1,889,245.32x = 2,829,714.10 × 1,561,316.86
  4. Step 4: Simplify right side
    1,889,245.32x = 4,418,080,333,309.73
  5. Step 5: Solve for x
    x = 4,418,080,333,309.73/1,889,245.32
  6. Step 6: Final answer
    x = 2,338,542.43

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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.