Home / 3,188,005.25-4,779,176.55-1,242,283.32

Finding the Fourth Proportional to 3,188,005.25, 4,779,176.55 and 1,242,283.32

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Solution

The fourth proportional to 3,188,005.25, 4,779,176.55 and 1,242,283.32 is: 1,862,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,005.25 : 4,779,176.55 = 1,242,283.32 : x
  2. Step 2: Convert to fraction form
    3,188,005.25/4,779,176.55 = 1,242,283.32/x
  3. Step 3: Cross multiply
    3,188,005.25x = 4,779,176.55 × 1,242,283.32
  4. Step 4: Simplify right side
    3,188,005.25x = 5,937,091,311,400.15
  5. Step 5: Solve for x
    x = 5,937,091,311,400.15/3,188,005.25
  6. Step 6: Final answer
    x = 1,862,321.69

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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.