Home / 1,880,863.20-2,821,294.80-1,870,365.60

Finding the Fourth Proportional to 1,880,863.20, 2,821,294.80 and 1,870,365.60

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Solution

The fourth proportional to 1,880,863.20, 2,821,294.80 and 1,870,365.60 is: 2,805,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,863.20 : 2,821,294.80 = 1,870,365.60 : x
  2. Step 2: Convert to fraction form
    1,880,863.20/2,821,294.80 = 1,870,365.60/x
  3. Step 3: Cross multiply
    1,880,863.20x = 2,821,294.80 × 1,870,365.60
  4. Step 4: Simplify right side
    1,880,863.20x = 5,276,852,741,378.88
  5. Step 5: Solve for x
    x = 5,276,852,741,378.88/1,880,863.20
  6. Step 6: Final answer
    x = 2,805,548.40

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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.