Home / 3,539,100-4,882,571.64-2,178,611.04

Finding the Fourth Proportional to 3,539,100, 4,882,571.64 and 2,178,611.04

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Solution

The fourth proportional to 3,539,100, 4,882,571.64 and 2,178,611.04 is: 3,005,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,100 : 4,882,571.64 = 2,178,611.04 : x
  2. Step 2: Convert to fraction form
    3,539,100/4,882,571.64 = 2,178,611.04/x
  3. Step 3: Cross multiply
    3,539,100x = 4,882,571.64 × 2,178,611.04
  4. Step 4: Simplify right side
    3,539,100x = 10,637,224,478,494.90
  5. Step 5: Solve for x
    x = 10,637,224,478,494.90/3,539,100
  6. Step 6: Final answer
    x = 3,005,629.82

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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.