Finding the Fourth Proportional to 6,661,204.80, 9,989,474.40 and 3,465,268.80
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Solution
The fourth proportional to 6,661,204.80, 9,989,474.40 and 3,465,268.80 is: 5,196,689.64
Step by Step Solution
- Step 1: Write the proportion equation
6,661,204.80 : 9,989,474.40 = 3,465,268.80 : x - Step 2: Convert to fraction form
6,661,204.80/9,989,474.40 = 3,465,268.80/x - Step 3: Cross multiply
6,661,204.80x = 9,989,474.40 × 3,465,268.80 - Step 4: Simplify right side
6,661,204.80x = 34,616,213,966,718.72 - Step 5: Solve for x
x = 34,616,213,966,718.72/6,661,204.80 - Step 6: Final answer
x = 5,196,689.64
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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.