Home / 2,254,439.88-3,111,342.30-1,287,714.60

Finding the Fourth Proportional to 2,254,439.88, 3,111,342.30 and 1,287,714.60

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Solution

The fourth proportional to 2,254,439.88, 3,111,342.30 and 1,287,714.60 is: 1,777,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254,439.88 : 3,111,342.30 = 1,287,714.60 : x
  2. Step 2: Convert to fraction form
    2,254,439.88/3,111,342.30 = 1,287,714.60/x
  3. Step 3: Cross multiply
    2,254,439.88x = 3,111,342.30 × 1,287,714.60
  4. Step 4: Simplify right side
    2,254,439.88x = 4,006,520,905,307.58
  5. Step 5: Solve for x
    x = 4,006,520,905,307.58/2,254,439.88
  6. Step 6: Final answer
    x = 1,777,169.11

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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.