Finding the Fourth Proportional to 3,543,877.20, 5,319,752.40 and 1,949,554.20
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Solution
The fourth proportional to 3,543,877.20, 5,319,752.40 and 1,949,554.20 is: 2,926,496.90
Step by Step Solution
- Step 1: Write the proportion equation
3,543,877.20 : 5,319,752.40 = 1,949,554.20 : x - Step 2: Convert to fraction form
3,543,877.20/5,319,752.40 = 1,949,554.20/x - Step 3: Cross multiply
3,543,877.20x = 5,319,752.40 × 1,949,554.20 - Step 4: Simplify right side
3,543,877.20x = 10,371,145,634,380.08 - Step 5: Solve for x
x = 10,371,145,634,380.08/3,543,877.20 - Step 6: Final answer
x = 2,926,496.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.