Home / 2,874,702.60-4,310,498.70-1,191,976.20

Finding the Fourth Proportional to 2,874,702.60, 4,310,498.70 and 1,191,976.20

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Solution

The fourth proportional to 2,874,702.60, 4,310,498.70 and 1,191,976.20 is: 1,787,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,702.60 : 4,310,498.70 = 1,191,976.20 : x
  2. Step 2: Convert to fraction form
    2,874,702.60/4,310,498.70 = 1,191,976.20/x
  3. Step 3: Cross multiply
    2,874,702.60x = 4,310,498.70 × 1,191,976.20
  4. Step 4: Simplify right side
    2,874,702.60x = 5,138,011,860,530.94
  5. Step 5: Solve for x
    x = 5,138,011,860,530.94/2,874,702.60
  6. Step 6: Final answer
    x = 1,787,319.45

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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.