Home / 2,288,127.20-3,432,190.80-2,172,653.60

Finding the Fourth Proportional to 2,288,127.20, 3,432,190.80 and 2,172,653.60

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Solution

The fourth proportional to 2,288,127.20, 3,432,190.80 and 2,172,653.60 is: 3,258,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,127.20 : 3,432,190.80 = 2,172,653.60 : x
  2. Step 2: Convert to fraction form
    2,288,127.20/3,432,190.80 = 2,172,653.60/x
  3. Step 3: Cross multiply
    2,288,127.20x = 3,432,190.80 × 2,172,653.60
  4. Step 4: Simplify right side
    2,288,127.20x = 7,456,961,697,506.88
  5. Step 5: Solve for x
    x = 7,456,961,697,506.88/2,288,127.20
  6. Step 6: Final answer
    x = 3,258,980.40

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1.5x scale

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.