Home / 4,158,730.20-6,238,289.70-1,319,064.60

Finding the Fourth Proportional to 4,158,730.20, 6,238,289.70 and 1,319,064.60

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Solution

The fourth proportional to 4,158,730.20, 6,238,289.70 and 1,319,064.60 is: 1,978,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,730.20 : 6,238,289.70 = 1,319,064.60 : x
  2. Step 2: Convert to fraction form
    4,158,730.20/6,238,289.70 = 1,319,064.60/x
  3. Step 3: Cross multiply
    4,158,730.20x = 6,238,289.70 × 1,319,064.60
  4. Step 4: Simplify right side
    4,158,730.20x = 8,228,707,107,814.62
  5. Step 5: Solve for x
    x = 8,228,707,107,814.62/4,158,730.20
  6. Step 6: Final answer
    x = 1,978,658.56

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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.