Home / 3,328,005.20-4,992,007.80-1,644,760.40

Finding the Fourth Proportional to 3,328,005.20, 4,992,007.80 and 1,644,760.40

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Solution

The fourth proportional to 3,328,005.20, 4,992,007.80 and 1,644,760.40 is: 2,467,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328,005.20 : 4,992,007.80 = 1,644,760.40 : x
  2. Step 2: Convert to fraction form
    3,328,005.20/4,992,007.80 = 1,644,760.40/x
  3. Step 3: Cross multiply
    3,328,005.20x = 4,992,007.80 × 1,644,760.40
  4. Step 4: Simplify right side
    3,328,005.20x = 8,210,656,745,931.12
  5. Step 5: Solve for x
    x = 8,210,656,745,931.12/3,328,005.20
  6. Step 6: Final answer
    x = 2,467,140.60

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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.