Home / 2,927,790.85-4,040,477.66-1,621,042.89

Finding the Fourth Proportional to 2,927,790.85, 4,040,477.66 and 1,621,042.89

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Solution

The fourth proportional to 2,927,790.85, 4,040,477.66 and 1,621,042.89 is: 2,237,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,790.85 : 4,040,477.66 = 1,621,042.89 : x
  2. Step 2: Convert to fraction form
    2,927,790.85/4,040,477.66 = 1,621,042.89/x
  3. Step 3: Cross multiply
    2,927,790.85x = 4,040,477.66 × 1,621,042.89
  4. Step 4: Simplify right side
    2,927,790.85x = 6,549,787,574,841.62
  5. Step 5: Solve for x
    x = 6,549,787,574,841.62/2,927,790.85
  6. Step 6: Final answer
    x = 2,237,109.11

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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.