Finding the Fourth Proportional to 3,643,121.80, 5,468,181.90 and 1,848,032.20
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Solution
The fourth proportional to 3,643,121.80, 5,468,181.90 and 1,848,032.20 is: 2,773,823.33
Step by Step Solution
- Step 1: Write the proportion equation
3,643,121.80 : 5,468,181.90 = 1,848,032.20 : x - Step 2: Convert to fraction form
3,643,121.80/5,468,181.90 = 1,848,032.20/x - Step 3: Cross multiply
3,643,121.80x = 5,468,181.90 × 1,848,032.20 - Step 4: Simplify right side
3,643,121.80x = 10,105,376,226,657.18 - Step 5: Solve for x
x = 10,105,376,226,657.18/3,643,121.80 - Step 6: Final answer
x = 2,773,823.33
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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.