Home / 2,159,037.80-3,236,483.10-1,678,999.40

Finding the Fourth Proportional to 2,159,037.80, 3,236,483.10 and 1,678,999.40

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Solution

The fourth proportional to 2,159,037.80, 3,236,483.10 and 1,678,999.40 is: 2,516,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,037.80 : 3,236,483.10 = 1,678,999.40 : x
  2. Step 2: Convert to fraction form
    2,159,037.80/3,236,483.10 = 1,678,999.40/x
  3. Step 3: Cross multiply
    2,159,037.80x = 3,236,483.10 × 1,678,999.40
  4. Step 4: Simplify right side
    2,159,037.80x = 5,434,053,183,010.14
  5. Step 5: Solve for x
    x = 5,434,053,183,010.14/2,159,037.80
  6. Step 6: Final answer
    x = 2,516,886.54

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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.