Finding the Fourth Proportional to 4,932,738.09, 6,805,288.80 and 2,998,292.85
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Solution
The fourth proportional to 4,932,738.09, 6,805,288.80 and 2,998,292.85 is: 4,136,495.47
Step by Step Solution
- Step 1: Write the proportion equation
4,932,738.09 : 6,805,288.80 = 2,998,292.85 : x - Step 2: Convert to fraction form
4,932,738.09/6,805,288.80 = 2,998,292.85/x - Step 3: Cross multiply
4,932,738.09x = 6,805,288.80 × 2,998,292.85 - Step 4: Simplify right side
4,932,738.09x = 20,404,248,751,225.08 - Step 5: Solve for x
x = 20,404,248,751,225.08/4,932,738.09 - Step 6: Final answer
x = 4,136,495.47
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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.