Home / 5,190,620.22-7,162,017.03-2,898,428.22

Finding the Fourth Proportional to 5,190,620.22, 7,162,017.03 and 2,898,428.22

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Solution

The fourth proportional to 5,190,620.22, 7,162,017.03 and 2,898,428.22 is: 3,999,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,620.22 : 7,162,017.03 = 2,898,428.22 : x
  2. Step 2: Convert to fraction form
    5,190,620.22/7,162,017.03 = 2,898,428.22/x
  3. Step 3: Cross multiply
    5,190,620.22x = 7,162,017.03 × 2,898,428.22
  4. Step 4: Simplify right side
    5,190,620.22x = 20,758,592,271,872.59
  5. Step 5: Solve for x
    x = 20,758,592,271,872.59/5,190,620.22
  6. Step 6: Final answer
    x = 3,999,250.84

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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.