Finding the Fourth Proportional to 5,403,091.84, 7,447,615.68 and 3,660,231.04
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Solution
The fourth proportional to 5,403,091.84, 7,447,615.68 and 3,660,231.04 is: 5,045,258.32
Step by Step Solution
- Step 1: Write the proportion equation
5,403,091.84 : 7,447,615.68 = 3,660,231.04 : x - Step 2: Convert to fraction form
5,403,091.84/7,447,615.68 = 3,660,231.04/x - Step 3: Cross multiply
5,403,091.84x = 7,447,615.68 × 3,660,231.04 - Step 4: Simplify right side
5,403,091.84x = 27,259,994,085,926.71 - Step 5: Solve for x
x = 27,259,994,085,926.71/5,403,091.84 - Step 6: Final answer
x = 5,045,258.32
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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.