Home / 5,154,415.02-7,112,238.96-2,979,161.04

Finding the Fourth Proportional to 5,154,415.02, 7,112,238.96 and 2,979,161.04

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Solution

The fourth proportional to 5,154,415.02, 7,112,238.96 and 2,979,161.04 is: 4,110,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,415.02 : 7,112,238.96 = 2,979,161.04 : x
  2. Step 2: Convert to fraction form
    5,154,415.02/7,112,238.96 = 2,979,161.04/x
  3. Step 3: Cross multiply
    5,154,415.02x = 7,112,238.96 × 2,979,161.04
  4. Step 4: Simplify right side
    5,154,415.02x = 21,188,505,216,802.12
  5. Step 5: Solve for x
    x = 21,188,505,216,802.12/5,154,415.02
  6. Step 6: Final answer
    x = 4,110,748.77

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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.