Home / 3,139,342.20-4,709,013.30-3,097,351.80

Finding the Fourth Proportional to 3,139,342.20, 4,709,013.30 and 3,097,351.80

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Solution

The fourth proportional to 3,139,342.20, 4,709,013.30 and 3,097,351.80 is: 4,646,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,342.20 : 4,709,013.30 = 3,097,351.80 : x
  2. Step 2: Convert to fraction form
    3,139,342.20/4,709,013.30 = 3,097,351.80/x
  3. Step 3: Cross multiply
    3,139,342.20x = 4,709,013.30 × 3,097,351.80
  4. Step 4: Simplify right side
    3,139,342.20x = 14,585,470,820,978.94
  5. Step 5: Solve for x
    x = 14,585,470,820,978.94/3,139,342.20
  6. Step 6: Final answer
    x = 4,646,027.70

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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.