Finding the Fourth Proportional to 1,107,310.10, 1,551,283.90 and 1,107,310.10
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Solution
The fourth proportional to 1,107,310.10, 1,551,283.90 and 1,107,310.10 is: 1,551,283.90
Step by Step Solution
- Step 1: Write the proportion equation
1,107,310.10 : 1,551,283.90 = 1,107,310.10 : x - Step 2: Convert to fraction form
1,107,310.10/1,551,283.90 = 1,107,310.10/x - Step 3: Cross multiply
1,107,310.10x = 1,551,283.90 × 1,107,310.10 - Step 4: Simplify right side
1,107,310.10x = 1,717,752,330,437.39 - Step 5: Solve for x
x = 1,717,752,330,437.39/1,107,310.10 - Step 6: Final answer
x = 1,551,283.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.