Finding the Fourth Proportional to 1,511,205.32, 2,085,381.78 and 866,652.68
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Solution
The fourth proportional to 1,511,205.32, 2,085,381.78 and 866,652.68 is: 1,195,933.92
Step by Step Solution
- Step 1: Write the proportion equation
1,511,205.32 : 2,085,381.78 = 866,652.68 : x - Step 2: Convert to fraction form
1,511,205.32/2,085,381.78 = 866,652.68/x - Step 3: Cross multiply
1,511,205.32x = 2,085,381.78 × 866,652.68 - Step 4: Simplify right side
1,511,205.32x = 1,807,301,708,460.17 - Step 5: Solve for x
x = 1,807,301,708,460.17/1,511,205.32 - Step 6: Final answer
x = 1,195,933.92
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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.