Home / 3,115,022.70-4,669,909.65-1,619,114.70

Finding the Fourth Proportional to 3,115,022.70, 4,669,909.65 and 1,619,114.70

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Solution

The fourth proportional to 3,115,022.70, 4,669,909.65 and 1,619,114.70 is: 2,427,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,022.70 : 4,669,909.65 = 1,619,114.70 : x
  2. Step 2: Convert to fraction form
    3,115,022.70/4,669,909.65 = 1,619,114.70/x
  3. Step 3: Cross multiply
    3,115,022.70x = 4,669,909.65 × 1,619,114.70
  4. Step 4: Simplify right side
    3,115,022.70x = 7,561,119,361,986.86
  5. Step 5: Solve for x
    x = 7,561,119,361,986.86/3,115,022.70
  6. Step 6: Final answer
    x = 2,427,307.95

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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.