Home / 3,871,472.16-5,342,521.44-2,152,561.44

Finding the Fourth Proportional to 3,871,472.16, 5,342,521.44 and 2,152,561.44

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Solution

The fourth proportional to 3,871,472.16, 5,342,521.44 and 2,152,561.44 is: 2,970,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,472.16 : 5,342,521.44 = 2,152,561.44 : x
  2. Step 2: Convert to fraction form
    3,871,472.16/5,342,521.44 = 2,152,561.44/x
  3. Step 3: Cross multiply
    3,871,472.16x = 5,342,521.44 × 2,152,561.44
  4. Step 4: Simplify right side
    3,871,472.16x = 11,500,105,644,117.27
  5. Step 5: Solve for x
    x = 11,500,105,644,117.27/3,871,472.16
  6. Step 6: Final answer
    x = 2,970,473.55

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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.