Finding the Fourth Proportional to 8,579,185.47, 12,868,767.34 and 2,189,437.97
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Solution
The fourth proportional to 8,579,185.47, 12,868,767.34 and 2,189,437.97 is: 3,284,154.18
Step by Step Solution
- Step 1: Write the proportion equation
8,579,185.47 : 12,868,767.34 = 2,189,437.97 : x - Step 2: Convert to fraction form
8,579,185.47/12,868,767.34 = 2,189,437.97/x - Step 3: Cross multiply
8,579,185.47x = 12,868,767.34 × 2,189,437.97 - Step 4: Simplify right side
8,579,185.47x = 28,175,367,809,119.98 - Step 5: Solve for x
x = 28,175,367,809,119.98/8,579,185.47 - Step 6: Final answer
x = 3,284,154.18
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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.