Home / 3,622,905.20-5,434,357.80-1,492,281.20

Finding the Fourth Proportional to 3,622,905.20, 5,434,357.80 and 1,492,281.20

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Solution

The fourth proportional to 3,622,905.20, 5,434,357.80 and 1,492,281.20 is: 2,238,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,905.20 : 5,434,357.80 = 1,492,281.20 : x
  2. Step 2: Convert to fraction form
    3,622,905.20/5,434,357.80 = 1,492,281.20/x
  3. Step 3: Cross multiply
    3,622,905.20x = 5,434,357.80 × 1,492,281.20
  4. Step 4: Simplify right side
    3,622,905.20x = 8,109,589,979,013.36
  5. Step 5: Solve for x
    x = 8,109,589,979,013.36/3,622,905.20
  6. Step 6: Final answer
    x = 2,238,421.80

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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.