Home / 3,881,521.42-5,357,412.34-2,412,539.39

Finding the Fourth Proportional to 3,881,521.42, 5,357,412.34 and 2,412,539.39

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Solution

The fourth proportional to 3,881,521.42, 5,357,412.34 and 2,412,539.39 is: 3,329,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,521.42 : 5,357,412.34 = 2,412,539.39 : x
  2. Step 2: Convert to fraction form
    3,881,521.42/5,357,412.34 = 2,412,539.39/x
  3. Step 3: Cross multiply
    3,881,521.42x = 5,357,412.34 × 2,412,539.39
  4. Step 4: Simplify right side
    3,881,521.42x = 12,924,968,259,872.31
  5. Step 5: Solve for x
    x = 12,924,968,259,872.31/3,881,521.42
  6. Step 6: Final answer
    x = 3,329,871.69

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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.