Finding the Fourth Proportional to 1,557,193.68, 2,148,933.22 and 868,894.55
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Solution
The fourth proportional to 1,557,193.68, 2,148,933.22 and 868,894.55 is: 1,199,077.79
Step by Step Solution
- Step 1: Write the proportion equation
1,557,193.68 : 2,148,933.22 = 868,894.55 : x - Step 2: Convert to fraction form
1,557,193.68/2,148,933.22 = 868,894.55/x - Step 3: Cross multiply
1,557,193.68x = 2,148,933.22 × 868,894.55 - Step 4: Simplify right side
1,557,193.68x = 1,867,196,348,082.81 - Step 5: Solve for x
x = 1,867,196,348,082.81/1,557,193.68 - Step 6: Final answer
x = 1,199,077.79
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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.