Home / 3,885,815.10-5,828,722.65-3,176,643.90

Finding the Fourth Proportional to 3,885,815.10, 5,828,722.65 and 3,176,643.90

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Solution

The fourth proportional to 3,885,815.10, 5,828,722.65 and 3,176,643.90 is: 4,764,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,815.10 : 5,828,722.65 = 3,176,643.90 : x
  2. Step 2: Convert to fraction form
    3,885,815.10/5,828,722.65 = 3,176,643.90/x
  3. Step 3: Cross multiply
    3,885,815.10x = 5,828,722.65 × 3,176,643.90
  4. Step 4: Simplify right side
    3,885,815.10x = 18,515,776,250,914.34
  5. Step 5: Solve for x
    x = 18,515,776,250,914.34/3,885,815.10
  6. Step 6: Final answer
    x = 4,764,965.85

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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.