Home / 5,154,427.58-7,112,695.21-2,979,111.62

Finding the Fourth Proportional to 5,154,427.58, 7,112,695.21 and 2,979,111.62

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Solution

The fourth proportional to 5,154,427.58, 7,112,695.21 and 2,979,111.62 is: 4,110,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,427.58 : 7,112,695.21 = 2,979,111.62 : x
  2. Step 2: Convert to fraction form
    5,154,427.58/7,112,695.21 = 2,979,111.62/x
  3. Step 3: Cross multiply
    5,154,427.58x = 7,112,695.21 × 2,979,111.62
  4. Step 4: Simplify right side
    5,154,427.58x = 21,189,512,959,963.30
  5. Step 5: Solve for x
    x = 21,189,512,959,963.30/5,154,427.58
  6. Step 6: Final answer
    x = 4,110,934.27

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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.