Home / 2,154,951.20-3,238,647.60-2,117,626.40

Finding the Fourth Proportional to 2,154,951.20, 3,238,647.60 and 2,117,626.40

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Solution

The fourth proportional to 2,154,951.20, 3,238,647.60 and 2,117,626.40 is: 3,182,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,951.20 : 3,238,647.60 = 2,117,626.40 : x
  2. Step 2: Convert to fraction form
    2,154,951.20/3,238,647.60 = 2,117,626.40/x
  3. Step 3: Cross multiply
    2,154,951.20x = 3,238,647.60 × 2,117,626.40
  4. Step 4: Simplify right side
    2,154,951.20x = 6,858,245,658,056.64
  5. Step 5: Solve for x
    x = 6,858,245,658,056.64/2,154,951.20
  6. Step 6: Final answer
    x = 3,182,552.65

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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.