Home / 2,138,091-2,950,566.11-1,171,255.67

Finding the Fourth Proportional to 2,138,091, 2,950,566.11 and 1,171,255.67

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Solution

The fourth proportional to 2,138,091, 2,950,566.11 and 1,171,255.67 is: 1,616,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,091 : 2,950,566.11 = 1,171,255.67 : x
  2. Step 2: Convert to fraction form
    2,138,091/2,950,566.11 = 1,171,255.67/x
  3. Step 3: Cross multiply
    2,138,091x = 2,950,566.11 × 1,171,255.67
  4. Step 4: Simplify right side
    2,138,091x = 3,455,867,265,438.24
  5. Step 5: Solve for x
    x = 3,455,867,265,438.24/2,138,091
  6. Step 6: Final answer
    x = 1,616,333.11

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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.