Finding the Fourth Proportional to 1,791,891.17, 2,688,230.00 and 1,317,137.21
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Solution
The fourth proportional to 1,791,891.17, 2,688,230.00 and 1,317,137.21 is: 1,975,994.87
Step by Step Solution
- Step 1: Write the proportion equation
1,791,891.17 : 2,688,230.00 = 1,317,137.21 : x - Step 2: Convert to fraction form
1,791,891.17/2,688,230.00 = 1,317,137.21/x - Step 3: Cross multiply
1,791,891.17x = 2,688,230.00 × 1,317,137.21 - Step 4: Simplify right side
1,791,891.17x = 3,540,767,751,889.99 - Step 5: Solve for x
x = 3,540,767,751,889.99/1,791,891.17 - Step 6: Final answer
x = 1,975,994.87
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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.