Home / 2,890,825.20-4,336,237.80-1,207,928.70

Finding the Fourth Proportional to 2,890,825.20, 4,336,237.80 and 1,207,928.70

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Solution

The fourth proportional to 2,890,825.20, 4,336,237.80 and 1,207,928.70 is: 1,811,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,825.20 : 4,336,237.80 = 1,207,928.70 : x
  2. Step 2: Convert to fraction form
    2,890,825.20/4,336,237.80 = 1,207,928.70/x
  3. Step 3: Cross multiply
    2,890,825.20x = 4,336,237.80 × 1,207,928.70
  4. Step 4: Simplify right side
    2,890,825.20x = 5,237,866,088,644.86
  5. Step 5: Solve for x
    x = 5,237,866,088,644.86/2,890,825.20
  6. Step 6: Final answer
    x = 1,811,893.05

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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.