Finding the Fourth Proportional to 2,891,744.70, 3,990,838.06 and 1,602,708.54
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Solution
The fourth proportional to 2,891,744.70, 3,990,838.06 and 1,602,708.54 is: 2,211,865.47
Step by Step Solution
- Step 1: Write the proportion equation
2,891,744.70 : 3,990,838.06 = 1,602,708.54 : x - Step 2: Convert to fraction form
2,891,744.70/3,990,838.06 = 1,602,708.54/x - Step 3: Cross multiply
2,891,744.70x = 3,990,838.06 × 1,602,708.54 - Step 4: Simplify right side
2,891,744.70x = 6,396,150,240,519.03 - Step 5: Solve for x
x = 6,396,150,240,519.03/2,891,744.70 - Step 6: Final answer
x = 2,211,865.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.