Home / 3,937,039.12-5,432,913.24-2,218,261.24

Finding the Fourth Proportional to 3,937,039.12, 5,432,913.24 and 2,218,261.24

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Solution

The fourth proportional to 3,937,039.12, 5,432,913.24 and 2,218,261.24 is: 3,061,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,039.12 : 5,432,913.24 = 2,218,261.24 : x
  2. Step 2: Convert to fraction form
    3,937,039.12/5,432,913.24 = 2,218,261.24/x
  3. Step 3: Cross multiply
    3,937,039.12x = 5,432,913.24 × 2,218,261.24
  4. Step 4: Simplify right side
    3,937,039.12x = 12,051,620,860,574.82
  5. Step 5: Solve for x
    x = 12,051,620,860,574.82/3,937,039.12
  6. Step 6: Final answer
    x = 3,061,087.40

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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.