Home / 3,512,814.40-4,847,559.78-1,984,888.72

Finding the Fourth Proportional to 3,512,814.40, 4,847,559.78 and 1,984,888.72

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Solution

The fourth proportional to 3,512,814.40, 4,847,559.78 and 1,984,888.72 is: 2,739,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,814.40 : 4,847,559.78 = 1,984,888.72 : x
  2. Step 2: Convert to fraction form
    3,512,814.40/4,847,559.78 = 1,984,888.72/x
  3. Step 3: Cross multiply
    3,512,814.40x = 4,847,559.78 × 1,984,888.72
  4. Step 4: Simplify right side
    3,512,814.40x = 9,621,866,726,847.68
  5. Step 5: Solve for x
    x = 9,621,866,726,847.68/3,512,814.40
  6. Step 6: Final answer
    x = 2,739,076.32

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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.