Home / 5,195,828.07-7,170,017.21-2,840,982.63

Finding the Fourth Proportional to 5,195,828.07, 7,170,017.21 and 2,840,982.63

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Solution

The fourth proportional to 5,195,828.07, 7,170,017.21 and 2,840,982.63 is: 3,920,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195,828.07 : 7,170,017.21 = 2,840,982.63 : x
  2. Step 2: Convert to fraction form
    5,195,828.07/7,170,017.21 = 2,840,982.63/x
  3. Step 3: Cross multiply
    5,195,828.07x = 7,170,017.21 × 2,840,982.63
  4. Step 4: Simplify right side
    5,195,828.07x = 20,369,894,336,206.15
  5. Step 5: Solve for x
    x = 20,369,894,336,206.15/5,195,828.07
  6. Step 6: Final answer
    x = 3,920,432.71

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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.