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Finding the Fourth Proportional to 3,312,482.94, 4,968,725.56 and 1,038,183.80

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Solution

The fourth proportional to 3,312,482.94, 4,968,725.56 and 1,038,183.80 is: 1,557,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,482.94 : 4,968,725.56 = 1,038,183.80 : x
  2. Step 2: Convert to fraction form
    3,312,482.94/4,968,725.56 = 1,038,183.80/x
  3. Step 3: Cross multiply
    3,312,482.94x = 4,968,725.56 × 1,038,183.80
  4. Step 4: Simplify right side
    3,312,482.94x = 5,158,450,383,037.93
  5. Step 5: Solve for x
    x = 5,158,450,383,037.93/3,312,482.94
  6. Step 6: Final answer
    x = 1,557,276.06

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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.