Home / 2,987,078.40-4,480,617.60-2,987,078.40

Finding the Fourth Proportional to 2,987,078.40, 4,480,617.60 and 2,987,078.40

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Solution

The fourth proportional to 2,987,078.40, 4,480,617.60 and 2,987,078.40 is: 4,480,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,078.40 : 4,480,617.60 = 2,987,078.40 : x
  2. Step 2: Convert to fraction form
    2,987,078.40/4,480,617.60 = 2,987,078.40/x
  3. Step 3: Cross multiply
    2,987,078.40x = 4,480,617.60 × 2,987,078.40
  4. Step 4: Simplify right side
    2,987,078.40x = 13,383,956,051,619.84
  5. Step 5: Solve for x
    x = 13,383,956,051,619.84/2,987,078.40
  6. Step 6: Final answer
    x = 4,480,617.60

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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.