Home / 5,215,726.88-7,822,072.56-2,020,140.32

Finding the Fourth Proportional to 5,215,726.88, 7,822,072.56 and 2,020,140.32

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Solution

The fourth proportional to 5,215,726.88, 7,822,072.56 and 2,020,140.32 is: 3,029,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,726.88 : 7,822,072.56 = 2,020,140.32 : x
  2. Step 2: Convert to fraction form
    5,215,726.88/7,822,072.56 = 2,020,140.32/x
  3. Step 3: Cross multiply
    5,215,726.88x = 7,822,072.56 × 2,020,140.32
  4. Step 4: Simplify right side
    5,215,726.88x = 15,801,684,164,421.62
  5. Step 5: Solve for x
    x = 15,801,684,164,421.62/5,215,726.88
  6. Step 6: Final answer
    x = 3,029,622.63

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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.