Home / 2,989,471.20-4,484,206.80-1,095,966.60

Finding the Fourth Proportional to 2,989,471.20, 4,484,206.80 and 1,095,966.60

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Solution

The fourth proportional to 2,989,471.20, 4,484,206.80 and 1,095,966.60 is: 1,643,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,471.20 : 4,484,206.80 = 1,095,966.60 : x
  2. Step 2: Convert to fraction form
    2,989,471.20/4,484,206.80 = 1,095,966.60/x
  3. Step 3: Cross multiply
    2,989,471.20x = 4,484,206.80 × 1,095,966.60
  4. Step 4: Simplify right side
    2,989,471.20x = 4,914,540,880,292.88
  5. Step 5: Solve for x
    x = 4,914,540,880,292.88/2,989,471.20
  6. Step 6: Final answer
    x = 1,643,949.90

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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.