Home / 1,980,734.80-2,966,256.66-1,789,039.84

Finding the Fourth Proportional to 1,980,734.80, 2,966,256.66 and 1,789,039.84

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Solution

The fourth proportional to 1,980,734.80, 2,966,256.66 and 1,789,039.84 is: 2,679,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,734.80 : 2,966,256.66 = 1,789,039.84 : x
  2. Step 2: Convert to fraction form
    1,980,734.80/2,966,256.66 = 1,789,039.84/x
  3. Step 3: Cross multiply
    1,980,734.80x = 2,966,256.66 × 1,789,039.84
  4. Step 4: Simplify right side
    1,980,734.80x = 5,306,751,340,405.34
  5. Step 5: Solve for x
    x = 5,306,751,340,405.34/1,980,734.80
  6. Step 6: Final answer
    x = 2,679,183.17

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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.