Home / 2,946,921.60-4,420,382.40-2,049,376.80

Finding the Fourth Proportional to 2,946,921.60, 4,420,382.40 and 2,049,376.80

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Solution

The fourth proportional to 2,946,921.60, 4,420,382.40 and 2,049,376.80 is: 3,074,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,921.60 : 4,420,382.40 = 2,049,376.80 : x
  2. Step 2: Convert to fraction form
    2,946,921.60/4,420,382.40 = 2,049,376.80/x
  3. Step 3: Cross multiply
    2,946,921.60x = 4,420,382.40 × 2,049,376.80
  4. Step 4: Simplify right side
    2,946,921.60x = 9,059,029,137,688.32
  5. Step 5: Solve for x
    x = 9,059,029,137,688.32/2,946,921.60
  6. Step 6: Final answer
    x = 3,074,065.20

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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.