Finding the Fourth Proportional to 5,353,322.92, 7,387,493.70 and 2,938,857.64
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Solution
The fourth proportional to 5,353,322.92, 7,387,493.70 and 2,938,857.64 is: 4,055,573.08
Step by Step Solution
- Step 1: Write the proportion equation
5,353,322.92 : 7,387,493.70 = 2,938,857.64 : x - Step 2: Convert to fraction form
5,353,322.92/7,387,493.70 = 2,938,857.64/x - Step 3: Cross multiply
5,353,322.92x = 7,387,493.70 × 2,938,857.64 - Step 4: Simplify right side
5,353,322.92x = 21,710,792,300,696.87 - Step 5: Solve for x
x = 21,710,792,300,696.87/5,353,322.92 - Step 6: Final answer
x = 4,055,573.08
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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.