Home / 3,208,478.30-4,812,540.33-1,078,342.46

Finding the Fourth Proportional to 3,208,478.30, 4,812,540.33 and 1,078,342.46

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Solution

The fourth proportional to 3,208,478.30, 4,812,540.33 and 1,078,342.46 is: 1,617,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,478.30 : 4,812,540.33 = 1,078,342.46 : x
  2. Step 2: Convert to fraction form
    3,208,478.30/4,812,540.33 = 1,078,342.46/x
  3. Step 3: Cross multiply
    3,208,478.30x = 4,812,540.33 × 1,078,342.46
  4. Step 4: Simplify right side
    3,208,478.30x = 5,189,566,578,301.41
  5. Step 5: Solve for x
    x = 5,189,566,578,301.41/3,208,478.30
  6. Step 6: Final answer
    x = 1,617,454.16

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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.