Finding the Fourth Proportional to 3,413,902.64, 5,121,616.64 and 1,284,005.20
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Solution
The fourth proportional to 3,413,902.64, 5,121,616.64 and 1,284,005.20 is: 1,926,294.65
Step by Step Solution
- Step 1: Write the proportion equation
3,413,902.64 : 5,121,616.64 = 1,284,005.20 : x - Step 2: Convert to fraction form
3,413,902.64/5,121,616.64 = 1,284,005.20/x - Step 3: Cross multiply
3,413,902.64x = 5,121,616.64 × 1,284,005.20 - Step 4: Simplify right side
3,413,902.64x = 6,576,182,398,166.53 - Step 5: Solve for x
x = 6,576,182,398,166.53/3,413,902.64 - Step 6: Final answer
x = 1,926,294.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.