Finding the Fourth Proportional to 1,548,702.09, 2,137,482.60 and 1,158,194.10
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Solution
The fourth proportional to 1,548,702.09, 2,137,482.60 and 1,158,194.10 is: 1,598,512.56
Step by Step Solution
- Step 1: Write the proportion equation
1,548,702.09 : 2,137,482.60 = 1,158,194.10 : x - Step 2: Convert to fraction form
1,548,702.09/2,137,482.60 = 1,158,194.10/x - Step 3: Cross multiply
1,548,702.09x = 2,137,482.60 × 1,158,194.10 - Step 4: Simplify right side
1,548,702.09x = 2,475,619,736,172.66 - Step 5: Solve for x
x = 2,475,619,736,172.66/1,548,702.09 - Step 6: Final answer
x = 1,598,512.56
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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.