Home / 2,810,776.75-3,878,873.12-1,521,617.06

Finding the Fourth Proportional to 2,810,776.75, 3,878,873.12 and 1,521,617.06

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Solution

The fourth proportional to 2,810,776.75, 3,878,873.12 and 1,521,617.06 is: 2,099,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,776.75 : 3,878,873.12 = 1,521,617.06 : x
  2. Step 2: Convert to fraction form
    2,810,776.75/3,878,873.12 = 1,521,617.06/x
  3. Step 3: Cross multiply
    2,810,776.75x = 3,878,873.12 × 1,521,617.06
  4. Step 4: Simplify right side
    2,810,776.75x = 5,902,159,526,468.65
  5. Step 5: Solve for x
    x = 5,902,159,526,468.65/2,810,776.75
  6. Step 6: Final answer
    x = 2,099,832.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.