Home / 2,932,289.40-4,046,786.36-1,643,249.72

Finding the Fourth Proportional to 2,932,289.40, 4,046,786.36 and 1,643,249.72

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Solution

The fourth proportional to 2,932,289.40, 4,046,786.36 and 1,643,249.72 is: 2,267,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932,289.40 : 4,046,786.36 = 1,643,249.72 : x
  2. Step 2: Convert to fraction form
    2,932,289.40/4,046,786.36 = 1,643,249.72/x
  3. Step 3: Cross multiply
    2,932,289.40x = 4,046,786.36 × 1,643,249.72
  4. Step 4: Simplify right side
    2,932,289.40x = 6,649,880,552,969.82
  5. Step 5: Solve for x
    x = 6,649,880,552,969.82/2,932,289.40
  6. Step 6: Final answer
    x = 2,267,811.82

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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.