Home / 6,200,838.78-8,557,636.84-3,720,152.40

Finding the Fourth Proportional to 6,200,838.78, 8,557,636.84 and 3,720,152.40

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Solution

The fourth proportional to 6,200,838.78, 8,557,636.84 and 3,720,152.40 is: 5,134,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200,838.78 : 8,557,636.84 = 3,720,152.40 : x
  2. Step 2: Convert to fraction form
    6,200,838.78/8,557,636.84 = 3,720,152.40/x
  3. Step 3: Cross multiply
    6,200,838.78x = 8,557,636.84 × 3,720,152.40
  4. Step 4: Simplify right side
    6,200,838.78x = 31,835,713,228,654.41
  5. Step 5: Solve for x
    x = 31,835,713,228,654.41/6,200,838.78
  6. Step 6: Final answer
    x = 5,134,097.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.