Finding the Fourth Proportional to 5,315,329.44, 7,974,156.92 and 1,721,459.68
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Solution
The fourth proportional to 5,315,329.44, 7,974,156.92 and 1,721,459.68 is: 2,582,566.09
Step by Step Solution
- Step 1: Write the proportion equation
5,315,329.44 : 7,974,156.92 = 1,721,459.68 : x - Step 2: Convert to fraction form
5,315,329.44/7,974,156.92 = 1,721,459.68/x - Step 3: Cross multiply
5,315,329.44x = 7,974,156.92 × 1,721,459.68 - Step 4: Simplify right side
5,315,329.44x = 13,727,189,591,230.29 - Step 5: Solve for x
x = 13,727,189,591,230.29/5,315,329.44 - Step 6: Final answer
x = 2,582,566.09
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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.