Finding the Fourth Proportional to 1,994,815.92, 2,991,358.26 and 1,095,988.08
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Solution
The fourth proportional to 1,994,815.92, 2,991,358.26 and 1,095,988.08 is: 1,643,506.53
Step by Step Solution
- Step 1: Write the proportion equation
1,994,815.92 : 2,991,358.26 = 1,095,988.08 : x - Step 2: Convert to fraction form
1,994,815.92/2,991,358.26 = 1,095,988.08/x - Step 3: Cross multiply
1,994,815.92x = 2,991,358.26 × 1,095,988.08 - Step 4: Simplify right side
1,994,815.92x = 3,278,492,995,969.54 - Step 5: Solve for x
x = 3,278,492,995,969.54/1,994,815.92 - Step 6: Final answer
x = 1,643,506.53
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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.