Home / 4,129,682.40-6,191,503.92-2,778,485.76

Finding the Fourth Proportional to 4,129,682.40, 6,191,503.92 and 2,778,485.76

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Solution

The fourth proportional to 4,129,682.40, 6,191,503.92 and 2,778,485.76 is: 4,165,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129,682.40 : 6,191,503.92 = 2,778,485.76 : x
  2. Step 2: Convert to fraction form
    4,129,682.40/6,191,503.92 = 2,778,485.76/x
  3. Step 3: Cross multiply
    4,129,682.40x = 6,191,503.92 × 2,778,485.76
  4. Step 4: Simplify right side
    4,129,682.40x = 17,203,005,474,704.18
  5. Step 5: Solve for x
    x = 17,203,005,474,704.18/4,129,682.40
  6. Step 6: Final answer
    x = 4,165,696.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.