Home / 5,161,137.35-7,122,397.23-2,838,179.66

Finding the Fourth Proportional to 5,161,137.35, 7,122,397.23 and 2,838,179.66

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Solution

The fourth proportional to 5,161,137.35, 7,122,397.23 and 2,838,179.66 is: 3,916,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,137.35 : 7,122,397.23 = 2,838,179.66 : x
  2. Step 2: Convert to fraction form
    5,161,137.35/7,122,397.23 = 2,838,179.66/x
  3. Step 3: Cross multiply
    5,161,137.35x = 7,122,397.23 × 2,838,179.66
  4. Step 4: Simplify right side
    5,161,137.35x = 20,214,642,913,014.36
  5. Step 5: Solve for x
    x = 20,214,642,913,014.36/5,161,137.35
  6. Step 6: Final answer
    x = 3,916,703.15

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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.