Home / 3,054,816.61-4,215,649.71-1,678,249.48

Finding the Fourth Proportional to 3,054,816.61, 4,215,649.71 and 1,678,249.48

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Solution

The fourth proportional to 3,054,816.61, 4,215,649.71 and 1,678,249.48 is: 2,315,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054,816.61 : 4,215,649.71 = 1,678,249.48 : x
  2. Step 2: Convert to fraction form
    3,054,816.61/4,215,649.71 = 1,678,249.48/x
  3. Step 3: Cross multiply
    3,054,816.61x = 4,215,649.71 × 1,678,249.48
  4. Step 4: Simplify right side
    3,054,816.61x = 7,074,911,933,669.65
  5. Step 5: Solve for x
    x = 7,074,911,933,669.65/3,054,816.61
  6. Step 6: Final answer
    x = 2,315,985.81

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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.