Home / 1,978,060.57-2,949,316.04-1,809,159.77

Finding the Fourth Proportional to 1,978,060.57, 2,949,316.04 and 1,809,159.77

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Solution

The fourth proportional to 1,978,060.57, 2,949,316.04 and 1,809,159.77 is: 2,697,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,060.57 : 2,949,316.04 = 1,809,159.77 : x
  2. Step 2: Convert to fraction form
    1,978,060.57/2,949,316.04 = 1,809,159.77/x
  3. Step 3: Cross multiply
    1,978,060.57x = 2,949,316.04 × 1,809,159.77
  4. Step 4: Simplify right side
    1,978,060.57x = 5,335,783,940,479.90
  5. Step 5: Solve for x
    x = 5,335,783,940,479.90/1,978,060.57
  6. Step 6: Final answer
    x = 2,697,482.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.