Finding the Fourth Proportional to 1,738,555.70, 2,399,350.49 and 964,436.12
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Solution
The fourth proportional to 1,738,555.70, 2,399,350.49 and 964,436.12 is: 1,331,001.52
Step by Step Solution
- Step 1: Write the proportion equation
1,738,555.70 : 2,399,350.49 = 964,436.12 : x - Step 2: Convert to fraction form
1,738,555.70/2,399,350.49 = 964,436.12/x - Step 3: Cross multiply
1,738,555.70x = 2,399,350.49 × 964,436.12 - Step 4: Simplify right side
1,738,555.70x = 2,314,020,277,095.70 - Step 5: Solve for x
x = 2,314,020,277,095.70/1,738,555.70 - Step 6: Final answer
x = 1,331,001.52
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1.5x scale
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.