Home / 3,054,821.61-4,215,656.61-1,678,254.48

Finding the Fourth Proportional to 3,054,821.61, 4,215,656.61 and 1,678,254.48

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Solution

The fourth proportional to 3,054,821.61, 4,215,656.61 and 1,678,254.48 is: 2,315,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054,821.61 : 4,215,656.61 = 1,678,254.48 : x
  2. Step 2: Convert to fraction form
    3,054,821.61/4,215,656.61 = 1,678,254.48/x
  3. Step 3: Cross multiply
    3,054,821.61x = 4,215,656.61 × 1,678,254.48
  4. Step 4: Simplify right side
    3,054,821.61x = 7,074,944,591,874.11
  5. Step 5: Solve for x
    x = 7,074,944,591,874.11/3,054,821.61
  6. Step 6: Final answer
    x = 2,315,992.71

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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.