Home / 4,879,942.20-7,319,913.30-3,620,230.20

Finding the Fourth Proportional to 4,879,942.20, 7,319,913.30 and 3,620,230.20

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Solution

The fourth proportional to 4,879,942.20, 7,319,913.30 and 3,620,230.20 is: 5,430,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879,942.20 : 7,319,913.30 = 3,620,230.20 : x
  2. Step 2: Convert to fraction form
    4,879,942.20/7,319,913.30 = 3,620,230.20/x
  3. Step 3: Cross multiply
    4,879,942.20x = 7,319,913.30 × 3,620,230.20
  4. Step 4: Simplify right side
    4,879,942.20x = 26,499,771,190,041.66
  5. Step 5: Solve for x
    x = 26,499,771,190,041.66/4,879,942.20
  6. Step 6: Final answer
    x = 5,430,345.30

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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.