Finding the Fourth Proportional to 5,357,597.88, 7,393,618.36 and 2,910,208.16
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Solution
The fourth proportional to 5,357,597.88, 7,393,618.36 and 2,910,208.16 is: 4,016,159.66
Step by Step Solution
- Step 1: Write the proportion equation
5,357,597.88 : 7,393,618.36 = 2,910,208.16 : x - Step 2: Convert to fraction form
5,357,597.88/7,393,618.36 = 2,910,208.16/x - Step 3: Cross multiply
5,357,597.88x = 7,393,618.36 × 2,910,208.16 - Step 4: Simplify right side
5,357,597.88x = 21,516,968,483,197.82 - Step 5: Solve for x
x = 21,516,968,483,197.82/5,357,597.88 - Step 6: Final answer
x = 4,016,159.66
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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.