Finding the Fourth Proportional to 1,482,442.56, 2,045,990.16 and 938,628.81
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Solution
The fourth proportional to 1,482,442.56, 2,045,990.16 and 938,628.81 is: 1,295,446.69
Step by Step Solution
- Step 1: Write the proportion equation
1,482,442.56 : 2,045,990.16 = 938,628.81 : x - Step 2: Convert to fraction form
1,482,442.56/2,045,990.16 = 938,628.81/x - Step 3: Cross multiply
1,482,442.56x = 2,045,990.16 × 938,628.81 - Step 4: Simplify right side
1,482,442.56x = 1,920,425,309,152.51 - Step 5: Solve for x
x = 1,920,425,309,152.51/1,482,442.56 - Step 6: Final answer
x = 1,295,446.69
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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.