Home / 3,138,336.95-4,707,505.42-894,416.63

Finding the Fourth Proportional to 3,138,336.95, 4,707,505.42 and 894,416.63

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Solution

The fourth proportional to 3,138,336.95, 4,707,505.42 and 894,416.63 is: 1,341,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,336.95 : 4,707,505.42 = 894,416.63 : x
  2. Step 2: Convert to fraction form
    3,138,336.95/4,707,505.42 = 894,416.63/x
  3. Step 3: Cross multiply
    3,138,336.95x = 4,707,505.42 × 894,416.63
  4. Step 4: Simplify right side
    3,138,336.95x = 4,210,471,107,689.57
  5. Step 5: Solve for x
    x = 4,210,471,107,689.57/3,138,336.95
  6. Step 6: Final answer
    x = 1,341,624.94

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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.