Home / 2,019,195.20-3,030,761.10-1,009,457.30

Finding the Fourth Proportional to 2,019,195.20, 3,030,761.10 and 1,009,457.30

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Solution

The fourth proportional to 2,019,195.20, 3,030,761.10 and 1,009,457.30 is: 1,515,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,195.20 : 3,030,761.10 = 1,009,457.30 : x
  2. Step 2: Convert to fraction form
    2,019,195.20/3,030,761.10 = 1,009,457.30/x
  3. Step 3: Cross multiply
    2,019,195.20x = 3,030,761.10 × 1,009,457.30
  4. Step 4: Simplify right side
    2,019,195.20x = 3,059,423,916,951.03
  5. Step 5: Solve for x
    x = 3,059,423,916,951.03/2,019,195.20
  6. Step 6: Final answer
    x = 1,515,169.96

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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.