Home / 3,142,049.40-4,702,187.70-1,880,782.20

Finding the Fourth Proportional to 3,142,049.40, 4,702,187.70 and 1,880,782.20

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Solution

The fourth proportional to 3,142,049.40, 4,702,187.70 and 1,880,782.20 is: 2,814,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,049.40 : 4,702,187.70 = 1,880,782.20 : x
  2. Step 2: Convert to fraction form
    3,142,049.40/4,702,187.70 = 1,880,782.20/x
  3. Step 3: Cross multiply
    3,142,049.40x = 4,702,187.70 × 1,880,782.20
  4. Step 4: Simplify right side
    3,142,049.40x = 8,843,790,927,218.94
  5. Step 5: Solve for x
    x = 8,843,790,927,218.94/3,142,049.40
  6. Step 6: Final answer
    x = 2,814,656.87

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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.