Home / 3,218,803.10-4,828,204.65-1,223,999.90

Finding the Fourth Proportional to 3,218,803.10, 4,828,204.65 and 1,223,999.90

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Solution

The fourth proportional to 3,218,803.10, 4,828,204.65 and 1,223,999.90 is: 1,835,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,803.10 : 4,828,204.65 = 1,223,999.90 : x
  2. Step 2: Convert to fraction form
    3,218,803.10/4,828,204.65 = 1,223,999.90/x
  3. Step 3: Cross multiply
    3,218,803.10x = 4,828,204.65 × 1,223,999.90
  4. Step 4: Simplify right side
    3,218,803.10x = 5,909,722,008,779.54
  5. Step 5: Solve for x
    x = 5,909,722,008,779.54/3,218,803.10
  6. Step 6: Final answer
    x = 1,835,999.85

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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.