Home / 5,585,422.72-8,378,134.56-1,798,905.61

Finding the Fourth Proportional to 5,585,422.72, 8,378,134.56 and 1,798,905.61

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Solution

The fourth proportional to 5,585,422.72, 8,378,134.56 and 1,798,905.61 is: 2,698,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585,422.72 : 8,378,134.56 = 1,798,905.61 : x
  2. Step 2: Convert to fraction form
    5,585,422.72/8,378,134.56 = 1,798,905.61/x
  3. Step 3: Cross multiply
    5,585,422.72x = 8,378,134.56 × 1,798,905.61
  4. Step 4: Simplify right side
    5,585,422.72x = 15,071,473,261,318.88
  5. Step 5: Solve for x
    x = 15,071,473,261,318.88/5,585,422.72
  6. Step 6: Final answer
    x = 2,698,358.57

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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.