Home / 2,823,795.10-4,238,025.45-1,309,807.90

Finding the Fourth Proportional to 2,823,795.10, 4,238,025.45 and 1,309,807.90

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Solution

The fourth proportional to 2,823,795.10, 4,238,025.45 and 1,309,807.90 is: 1,965,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823,795.10 : 4,238,025.45 = 1,309,807.90 : x
  2. Step 2: Convert to fraction form
    2,823,795.10/4,238,025.45 = 1,309,807.90/x
  3. Step 3: Cross multiply
    2,823,795.10x = 4,238,025.45 × 1,309,807.90
  4. Step 4: Simplify right side
    2,823,795.10x = 5,550,999,214,811.06
  5. Step 5: Solve for x
    x = 5,550,999,214,811.06/2,823,795.10
  6. Step 6: Final answer
    x = 1,965,793.91

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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.