Finding the Fourth Proportional to 4,662,433.24, 6,991,878.38 and 2,231,090.80
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Solution
The fourth proportional to 4,662,433.24, 6,991,878.38 and 2,231,090.80 is: 3,345,788.50
Step by Step Solution
- Step 1: Write the proportion equation
4,662,433.24 : 6,991,878.38 = 2,231,090.80 : x - Step 2: Convert to fraction form
4,662,433.24/6,991,878.38 = 2,231,090.80/x - Step 3: Cross multiply
4,662,433.24x = 6,991,878.38 × 2,231,090.80 - Step 4: Simplify right side
4,662,433.24x = 15,599,515,528,336.90 - Step 5: Solve for x
x = 15,599,515,528,336.90/4,662,433.24 - Step 6: Final answer
x = 3,345,788.50
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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.