Home / 2,721,621.48-4,082,282.10-828,215.16

Finding the Fourth Proportional to 2,721,621.48, 4,082,282.10 and 828,215.16

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Solution

The fourth proportional to 2,721,621.48, 4,082,282.10 and 828,215.16 is: 1,242,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,621.48 : 4,082,282.10 = 828,215.16 : x
  2. Step 2: Convert to fraction form
    2,721,621.48/4,082,282.10 = 828,215.16/x
  3. Step 3: Cross multiply
    2,721,621.48x = 4,082,282.10 × 828,215.16
  4. Step 4: Simplify right side
    2,721,621.48x = 3,381,007,922,616.64
  5. Step 5: Solve for x
    x = 3,381,007,922,616.64/2,721,621.48
  6. Step 6: Final answer
    x = 1,242,277.06

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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.