Home / 3,521,421.42-4,859,473.92-1,972,672.84

Finding the Fourth Proportional to 3,521,421.42, 4,859,473.92 and 1,972,672.84

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Solution

The fourth proportional to 3,521,421.42, 4,859,473.92 and 1,972,672.84 is: 2,722,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,421.42 : 4,859,473.92 = 1,972,672.84 : x
  2. Step 2: Convert to fraction form
    3,521,421.42/4,859,473.92 = 1,972,672.84/x
  3. Step 3: Cross multiply
    3,521,421.42x = 4,859,473.92 × 1,972,672.84
  4. Step 4: Simplify right side
    3,521,421.42x = 9,586,152,201,110.90
  5. Step 5: Solve for x
    x = 9,586,152,201,110.90/3,521,421.42
  6. Step 6: Final answer
    x = 2,722,239.42

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1.5x scale

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.