Finding the Fourth Proportional to 5,259,531.84, 7,258,148.64 and 2,845,078.08
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Solution
The fourth proportional to 5,259,531.84, 7,258,148.64 and 2,845,078.08 is: 3,926,204.88
Step by Step Solution
- Step 1: Write the proportion equation
5,259,531.84 : 7,258,148.64 = 2,845,078.08 : x - Step 2: Convert to fraction form
5,259,531.84/7,258,148.64 = 2,845,078.08/x - Step 3: Cross multiply
5,259,531.84x = 7,258,148.64 × 2,845,078.08 - Step 4: Simplify right side
5,259,531.84x = 20,649,999,597,045.81 - Step 5: Solve for x
x = 20,649,999,597,045.81/5,259,531.84 - Step 6: Final answer
x = 3,926,204.88
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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.