Home / 2,894,834.20-4,341,473.70-1,211,589.40

Finding the Fourth Proportional to 2,894,834.20, 4,341,473.70 and 1,211,589.40

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Solution

The fourth proportional to 2,894,834.20, 4,341,473.70 and 1,211,589.40 is: 1,817,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,834.20 : 4,341,473.70 = 1,211,589.40 : x
  2. Step 2: Convert to fraction form
    2,894,834.20/4,341,473.70 = 1,211,589.40/x
  3. Step 3: Cross multiply
    2,894,834.20x = 4,341,473.70 × 1,211,589.40
  4. Step 4: Simplify right side
    2,894,834.20x = 5,260,083,515,298.78
  5. Step 5: Solve for x
    x = 5,260,083,515,298.78/2,894,834.20
  6. Step 6: Final answer
    x = 1,817,058.65

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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.