Finding the Fourth Proportional to 1,658,907.70, 2,289,020.18 and 960,940.32
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Solution
The fourth proportional to 1,658,907.70, 2,289,020.18 and 960,940.32 is: 1,325,939.82
Step by Step Solution
- Step 1: Write the proportion equation
1,658,907.70 : 2,289,020.18 = 960,940.32 : x - Step 2: Convert to fraction form
1,658,907.70/2,289,020.18 = 960,940.32/x - Step 3: Cross multiply
1,658,907.70x = 2,289,020.18 × 960,940.32 - Step 4: Simplify right side
1,658,907.70x = 2,199,611,784,255.66 - Step 5: Solve for x
x = 2,199,611,784,255.66/1,658,907.70 - Step 6: Final answer
x = 1,325,939.82
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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.