Finding the Fourth Proportional to 2,618,848.19, 3,929,231.84 and 1,102,912.74
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Solution
The fourth proportional to 2,618,848.19, 3,929,231.84 and 1,102,912.74 is: 1,654,773.22
Step by Step Solution
- Step 1: Write the proportion equation
2,618,848.19 : 3,929,231.84 = 1,102,912.74 : x - Step 2: Convert to fraction form
2,618,848.19/3,929,231.84 = 1,102,912.74/x - Step 3: Cross multiply
2,618,848.19x = 3,929,231.84 × 1,102,912.74 - Step 4: Simplify right side
2,618,848.19x = 4,333,599,849,235.08 - Step 5: Solve for x
x = 4,333,599,849,235.08/2,618,848.19 - Step 6: Final answer
x = 1,654,773.22
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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.