Home / 4,260,431.80-6,388,679.40-1,863,042.40

Finding the Fourth Proportional to 4,260,431.80, 6,388,679.40 and 1,863,042.40

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Solution

The fourth proportional to 4,260,431.80, 6,388,679.40 and 1,863,042.40 is: 2,793,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260,431.80 : 6,388,679.40 = 1,863,042.40 : x
  2. Step 2: Convert to fraction form
    4,260,431.80/6,388,679.40 = 1,863,042.40/x
  3. Step 3: Cross multiply
    4,260,431.80x = 6,388,679.40 × 1,863,042.40
  4. Step 4: Simplify right side
    4,260,431.80x = 11,902,380,602,206.56
  5. Step 5: Solve for x
    x = 11,902,380,602,206.56/4,260,431.80
  6. Step 6: Final answer
    x = 2,793,702.88

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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.