Finding the Fourth Proportional to 3,379,512.42, 4,663,548.81 and 1,929,150.18
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Solution
The fourth proportional to 3,379,512.42, 4,663,548.81 and 1,929,150.18 is: 2,662,125.45
Step by Step Solution
- Step 1: Write the proportion equation
3,379,512.42 : 4,663,548.81 = 1,929,150.18 : x - Step 2: Convert to fraction form
3,379,512.42/4,663,548.81 = 1,929,150.18/x - Step 3: Cross multiply
3,379,512.42x = 4,663,548.81 × 1,929,150.18 - Step 4: Simplify right side
3,379,512.42x = 8,996,686,026,250.29 - Step 5: Solve for x
x = 8,996,686,026,250.29/3,379,512.42 - Step 6: Final answer
x = 2,662,125.45
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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.