Home / 1,984,138.43-2,975,889.02-544,485.61

Finding the Fourth Proportional to 1,984,138.43, 2,975,889.02 and 544,485.61

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Solution

The fourth proportional to 1,984,138.43, 2,975,889.02 and 544,485.61 is: 816,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,138.43 : 2,975,889.02 = 544,485.61 : x
  2. Step 2: Convert to fraction form
    1,984,138.43/2,975,889.02 = 544,485.61/x
  3. Step 3: Cross multiply
    1,984,138.43x = 2,975,889.02 × 544,485.61
  4. Step 4: Simplify right side
    1,984,138.43x = 1,620,328,742,268.49
  5. Step 5: Solve for x
    x = 1,620,328,742,268.49/1,984,138.43
  6. Step 6: Final answer
    x = 816,640.97

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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.