Finding the Fourth Proportional to 1,232,335.40, 1,848,503.10 and 1,087,701.80
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Solution
The fourth proportional to 1,232,335.40, 1,848,503.10 and 1,087,701.80 is: 1,631,552.70
Step by Step Solution
- Step 1: Write the proportion equation
1,232,335.40 : 1,848,503.10 = 1,087,701.80 : x - Step 2: Convert to fraction form
1,232,335.40/1,848,503.10 = 1,087,701.80/x - Step 3: Cross multiply
1,232,335.40x = 1,848,503.10 × 1,087,701.80 - Step 4: Simplify right side
1,232,335.40x = 2,010,620,149,175.58 - Step 5: Solve for x
x = 2,010,620,149,175.58/1,232,335.40 - Step 6: Final answer
x = 1,631,552.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.