Finding the Fourth Proportional to 6,270,799.68, 8,653,988.16 and 3,692,589.12
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Solution
The fourth proportional to 6,270,799.68, 8,653,988.16 and 3,692,589.12 is: 5,095,940.57
Step by Step Solution
- Step 1: Write the proportion equation
6,270,799.68 : 8,653,988.16 = 3,692,589.12 : x - Step 2: Convert to fraction form
6,270,799.68/8,653,988.16 = 3,692,589.12/x - Step 3: Cross multiply
6,270,799.68x = 8,653,988.16 × 3,692,589.12 - Step 4: Simplify right side
6,270,799.68x = 31,955,622,524,224.82 - Step 5: Solve for x
x = 31,955,622,524,224.82/6,270,799.68 - Step 6: Final answer
x = 5,095,940.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.