Home / 2,146,206.40-3,219,309.60-1,799,785.60

Finding the Fourth Proportional to 2,146,206.40, 3,219,309.60 and 1,799,785.60

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Solution

The fourth proportional to 2,146,206.40, 3,219,309.60 and 1,799,785.60 is: 2,699,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,206.40 : 3,219,309.60 = 1,799,785.60 : x
  2. Step 2: Convert to fraction form
    2,146,206.40/3,219,309.60 = 1,799,785.60/x
  3. Step 3: Cross multiply
    2,146,206.40x = 3,219,309.60 × 1,799,785.60
  4. Step 4: Simplify right side
    2,146,206.40x = 5,794,067,060,021.76
  5. Step 5: Solve for x
    x = 5,794,067,060,021.76/2,146,206.40
  6. Step 6: Final answer
    x = 2,699,678.40

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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.