Finding the Fourth Proportional to 2,301,955.92, 3,175,691.40 and 2,195,230.32
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Solution
The fourth proportional to 2,301,955.92, 3,175,691.40 and 2,195,230.32 is: 3,028,456.80
Step by Step Solution
- Step 1: Write the proportion equation
2,301,955.92 : 3,175,691.40 = 2,195,230.32 : x - Step 2: Convert to fraction form
2,301,955.92/3,175,691.40 = 2,195,230.32/x - Step 3: Cross multiply
2,301,955.92x = 3,175,691.40 × 2,195,230.32 - Step 4: Simplify right side
2,301,955.92x = 6,971,374,048,243.25 - Step 5: Solve for x
x = 6,971,374,048,243.25/2,301,955.92 - Step 6: Final answer
x = 3,028,456.80
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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.