Home / 3,162,139.80-4,363,766.99-1,711,835.20

Finding the Fourth Proportional to 3,162,139.80, 4,363,766.99 and 1,711,835.20

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Solution

The fourth proportional to 3,162,139.80, 4,363,766.99 and 1,711,835.20 is: 2,362,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,139.80 : 4,363,766.99 = 1,711,835.20 : x
  2. Step 2: Convert to fraction form
    3,162,139.80/4,363,766.99 = 1,711,835.20/x
  3. Step 3: Cross multiply
    3,162,139.80x = 4,363,766.99 × 1,711,835.20
  4. Step 4: Simplify right side
    3,162,139.80x = 7,470,049,938,080.05
  5. Step 5: Solve for x
    x = 7,470,049,938,080.05/3,162,139.80
  6. Step 6: Final answer
    x = 2,362,340.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.