Home / 3,516,872.04-5,274,569.88-991,936.80

Finding the Fourth Proportional to 3,516,872.04, 5,274,569.88 and 991,936.80

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Solution

The fourth proportional to 3,516,872.04, 5,274,569.88 and 991,936.80 is: 1,487,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,872.04 : 5,274,569.88 = 991,936.80 : x
  2. Step 2: Convert to fraction form
    3,516,872.04/5,274,569.88 = 991,936.80/x
  3. Step 3: Cross multiply
    3,516,872.04x = 5,274,569.88 × 991,936.80
  4. Step 4: Simplify right side
    3,516,872.04x = 5,232,039,968,143.58
  5. Step 5: Solve for x
    x = 5,232,039,968,143.58/3,516,872.04
  6. Step 6: Final answer
    x = 1,487,697.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.