Home / 2,880,081.60-4,320,122.40-986,193.60

Finding the Fourth Proportional to 2,880,081.60, 4,320,122.40 and 986,193.60

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Solution

The fourth proportional to 2,880,081.60, 4,320,122.40 and 986,193.60 is: 1,479,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,081.60 : 4,320,122.40 = 986,193.60 : x
  2. Step 2: Convert to fraction form
    2,880,081.60/4,320,122.40 = 986,193.60/x
  3. Step 3: Cross multiply
    2,880,081.60x = 4,320,122.40 × 986,193.60
  4. Step 4: Simplify right side
    2,880,081.60x = 4,260,477,062,096.64
  5. Step 5: Solve for x
    x = 4,260,477,062,096.64/2,880,081.60
  6. Step 6: Final answer
    x = 1,479,290.40

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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.