Finding the Fourth Proportional to 5,095,938.11, 7,643,907.15 and 1,857,718.62
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Solution
The fourth proportional to 5,095,938.11, 7,643,907.15 and 1,857,718.62 is: 2,786,577.93
Step by Step Solution
- Step 1: Write the proportion equation
5,095,938.11 : 7,643,907.15 = 1,857,718.62 : x - Step 2: Convert to fraction form
5,095,938.11/7,643,907.15 = 1,857,718.62/x - Step 3: Cross multiply
5,095,938.11x = 7,643,907.15 × 1,857,718.62 - Step 4: Simplify right side
5,095,938.11x = 14,200,228,642,106.13 - Step 5: Solve for x
x = 14,200,228,642,106.13/5,095,938.11 - Step 6: Final answer
x = 2,786,577.93
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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.