Finding the Fourth Proportional to 1,943,201.66, 2,681,623.06 and 1,083,817.58
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Solution
The fourth proportional to 1,943,201.66, 2,681,623.06 and 1,083,817.58 is: 1,495,670.92
Step by Step Solution
- Step 1: Write the proportion equation
1,943,201.66 : 2,681,623.06 = 1,083,817.58 : x - Step 2: Convert to fraction form
1,943,201.66/2,681,623.06 = 1,083,817.58/x - Step 3: Cross multiply
1,943,201.66x = 2,681,623.06 × 1,083,817.58 - Step 4: Simplify right side
1,943,201.66x = 2,906,390,215,361.40 - Step 5: Solve for x
x = 2,906,390,215,361.40/1,943,201.66 - Step 6: Final answer
x = 1,495,670.92
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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.