Home / 5,319,628.40-7,979,442.60-3,192,114.80

Finding the Fourth Proportional to 5,319,628.40, 7,979,442.60 and 3,192,114.80

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Solution

The fourth proportional to 5,319,628.40, 7,979,442.60 and 3,192,114.80 is: 4,788,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319,628.40 : 7,979,442.60 = 3,192,114.80 : x
  2. Step 2: Convert to fraction form
    5,319,628.40/7,979,442.60 = 3,192,114.80/x
  3. Step 3: Cross multiply
    5,319,628.40x = 7,979,442.60 × 3,192,114.80
  4. Step 4: Simplify right side
    5,319,628.40x = 25,471,296,819,210.48
  5. Step 5: Solve for x
    x = 25,471,296,819,210.48/5,319,628.40
  6. Step 6: Final answer
    x = 4,788,172.20

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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.