Finding the Fourth Proportional to 3,728,398.21, 5,145,140.76 and 2,096,805.08
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Solution
The fourth proportional to 3,728,398.21, 5,145,140.76 and 2,096,805.08 is: 2,893,563.59
Step by Step Solution
- Step 1: Write the proportion equation
3,728,398.21 : 5,145,140.76 = 2,096,805.08 : x - Step 2: Convert to fraction form
3,728,398.21/5,145,140.76 = 2,096,805.08/x - Step 3: Cross multiply
3,728,398.21x = 5,145,140.76 × 2,096,805.08 - Step 4: Simplify right side
3,728,398.21x = 10,788,357,287,882.89 - Step 5: Solve for x
x = 10,788,357,287,882.89/3,728,398.21 - Step 6: Final answer
x = 2,893,563.59
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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.