Home / 2,927,790.19-4,040,476.75-1,621,042.23

Finding the Fourth Proportional to 2,927,790.19, 4,040,476.75 and 1,621,042.23

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Solution

The fourth proportional to 2,927,790.19, 4,040,476.75 and 1,621,042.23 is: 2,237,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,790.19 : 4,040,476.75 = 1,621,042.23 : x
  2. Step 2: Convert to fraction form
    2,927,790.19/4,040,476.75 = 1,621,042.23/x
  3. Step 3: Cross multiply
    2,927,790.19x = 4,040,476.75 × 1,621,042.23
  4. Step 4: Simplify right side
    2,927,790.19x = 6,549,783,449,142.88
  5. Step 5: Solve for x
    x = 6,549,783,449,142.88/2,927,790.19
  6. Step 6: Final answer
    x = 2,237,108.20

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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.