Finding the Fourth Proportional to 3,413,898.13, 5,121,609.90 and 1,284,000.70
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Solution
The fourth proportional to 3,413,898.13, 5,121,609.90 and 1,284,000.70 is: 1,926,287.91
Step by Step Solution
- Step 1: Write the proportion equation
3,413,898.13 : 5,121,609.90 = 1,284,000.70 : x - Step 2: Convert to fraction form
3,413,898.13/5,121,609.90 = 1,284,000.70/x - Step 3: Cross multiply
3,413,898.13x = 5,121,609.90 × 1,284,000.70 - Step 4: Simplify right side
3,413,898.13x = 6,576,150,696,726.93 - Step 5: Solve for x
x = 6,576,150,696,726.93/3,413,898.13 - Step 6: Final answer
x = 1,926,287.91
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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.