Home / 3,260,313.20-4,890,685.80-864,124.40

Finding the Fourth Proportional to 3,260,313.20, 4,890,685.80 and 864,124.40

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Solution

The fourth proportional to 3,260,313.20, 4,890,685.80 and 864,124.40 is: 1,296,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,313.20 : 4,890,685.80 = 864,124.40 : x
  2. Step 2: Convert to fraction form
    3,260,313.20/4,890,685.80 = 864,124.40/x
  3. Step 3: Cross multiply
    3,260,313.20x = 4,890,685.80 × 864,124.40
  4. Step 4: Simplify right side
    3,260,313.20x = 4,226,160,932,513.52
  5. Step 5: Solve for x
    x = 4,226,160,932,513.52/3,260,313.20
  6. Step 6: Final answer
    x = 1,296,243.85

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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.