Finding the Fourth Proportional to 5,718,290.58, 7,891,378.86 and 3,104,905.80
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Solution
The fourth proportional to 5,718,290.58, 7,891,378.86 and 3,104,905.80 is: 4,284,844.86
Step by Step Solution
- Step 1: Write the proportion equation
5,718,290.58 : 7,891,378.86 = 3,104,905.80 : x - Step 2: Convert to fraction form
5,718,290.58/7,891,378.86 = 3,104,905.80/x - Step 3: Cross multiply
5,718,290.58x = 7,891,378.86 × 3,104,905.80 - Step 4: Simplify right side
5,718,290.58x = 24,501,987,992,411.39 - Step 5: Solve for x
x = 24,501,987,992,411.39/5,718,290.58 - Step 6: Final answer
x = 4,284,844.86
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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.