Home / 3,504,520.80-5,256,392.40-980,431.20

Finding the Fourth Proportional to 3,504,520.80, 5,256,392.40 and 980,431.20

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Solution

The fourth proportional to 3,504,520.80, 5,256,392.40 and 980,431.20 is: 1,470,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504,520.80 : 5,256,392.40 = 980,431.20 : x
  2. Step 2: Convert to fraction form
    3,504,520.80/5,256,392.40 = 980,431.20/x
  3. Step 3: Cross multiply
    3,504,520.80x = 5,256,392.40 × 980,431.20
  4. Step 4: Simplify right side
    3,504,520.80x = 5,153,531,108,402.88
  5. Step 5: Solve for x
    x = 5,153,531,108,402.88/3,504,520.80
  6. Step 6: Final answer
    x = 1,470,538.03

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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.