Home / 3,683,856.20-5,525,784.30-1,287,450.95

Finding the Fourth Proportional to 3,683,856.20, 5,525,784.30 and 1,287,450.95

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Solution

The fourth proportional to 3,683,856.20, 5,525,784.30 and 1,287,450.95 is: 1,931,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683,856.20 : 5,525,784.30 = 1,287,450.95 : x
  2. Step 2: Convert to fraction form
    3,683,856.20/5,525,784.30 = 1,287,450.95/x
  3. Step 3: Cross multiply
    3,683,856.20x = 5,525,784.30 × 1,287,450.95
  4. Step 4: Simplify right side
    3,683,856.20x = 7,114,176,246,530.09
  5. Step 5: Solve for x
    x = 7,114,176,246,530.09/3,683,856.20
  6. Step 6: Final answer
    x = 1,931,176.43

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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.