Home / 3,871,467.47-5,342,592.72-2,152,572.95

Finding the Fourth Proportional to 3,871,467.47, 5,342,592.72 and 2,152,572.95

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Solution

The fourth proportional to 3,871,467.47, 5,342,592.72 and 2,152,572.95 is: 2,970,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,467.47 : 5,342,592.72 = 2,152,572.95 : x
  2. Step 2: Convert to fraction form
    3,871,467.47/5,342,592.72 = 2,152,572.95/x
  3. Step 3: Cross multiply
    3,871,467.47x = 5,342,592.72 × 2,152,572.95
  4. Step 4: Simplify right side
    3,871,467.47x = 11,500,320,545,225.96
  5. Step 5: Solve for x
    x = 11,500,320,545,225.96/3,871,467.47
  6. Step 6: Final answer
    x = 2,970,532.66

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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.