Finding the Fourth Proportional to 5,284,088.53, 7,292,043.23 and 3,219,104.03
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Solution
The fourth proportional to 5,284,088.53, 7,292,043.23 and 3,219,104.03 is: 4,442,364.20
Step by Step Solution
- Step 1: Write the proportion equation
5,284,088.53 : 7,292,043.23 = 3,219,104.03 : x - Step 2: Convert to fraction form
5,284,088.53/7,292,043.23 = 3,219,104.03/x - Step 3: Cross multiply
5,284,088.53x = 7,292,043.23 × 3,219,104.03 - Step 4: Simplify right side
5,284,088.53x = 23,473,845,696,071.48 - Step 5: Solve for x
x = 23,473,845,696,071.48/5,284,088.53 - Step 6: Final answer
x = 4,442,364.20
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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.