Finding the Fourth Proportional to 3,103,969.54, 4,283,414.50 and 1,943,056.08
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Solution
The fourth proportional to 3,103,969.54, 4,283,414.50 and 1,943,056.08 is: 2,681,377.66
Step by Step Solution
- Step 1: Write the proportion equation
3,103,969.54 : 4,283,414.50 = 1,943,056.08 : x - Step 2: Convert to fraction form
3,103,969.54/4,283,414.50 = 1,943,056.08/x - Step 3: Cross multiply
3,103,969.54x = 4,283,414.50 × 1,943,056.08 - Step 4: Simplify right side
3,103,969.54x = 8,322,914,587,385.16 - Step 5: Solve for x
x = 8,322,914,587,385.16/3,103,969.54 - Step 6: Final answer
x = 2,681,377.66
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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.