Finding the Fourth Proportional to 7,310,884.84, 10,966,055.10 and 1,919,485.96
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Solution
The fourth proportional to 7,310,884.84, 10,966,055.10 and 1,919,485.96 is: 2,879,157.48
Step by Step Solution
- Step 1: Write the proportion equation
7,310,884.84 : 10,966,055.10 = 1,919,485.96 : x - Step 2: Convert to fraction form
7,310,884.84/10,966,055.10 = 1,919,485.96/x - Step 3: Cross multiply
7,310,884.84x = 10,966,055.10 × 1,919,485.96 - Step 4: Simplify right side
7,310,884.84x = 21,049,188,801,036.39 - Step 5: Solve for x
x = 21,049,188,801,036.39/7,310,884.84 - Step 6: Final answer
x = 2,879,157.48
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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.