Finding the Fourth Proportional to 5,462,661.60, 8,198,949.60 and 2,768,860.80
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Solution
The fourth proportional to 5,462,661.60, 8,198,949.60 and 2,768,860.80 is: 4,155,803.86
Step by Step Solution
- Step 1: Write the proportion equation
5,462,661.60 : 8,198,949.60 = 2,768,860.80 : x - Step 2: Convert to fraction form
5,462,661.60/8,198,949.60 = 2,768,860.80/x - Step 3: Cross multiply
5,462,661.60x = 8,198,949.60 × 2,768,860.80 - Step 4: Simplify right side
5,462,661.60x = 22,701,750,148,615.68 - Step 5: Solve for x
x = 22,701,750,148,615.68/5,462,661.60 - Step 6: Final answer
x = 4,155,803.86
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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.