Finding the Fourth Proportional to 1,616,959.35, 2,427,121.31 and 1,190,976.18
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Solution
The fourth proportional to 1,616,959.35, 2,427,121.31 and 1,190,976.18 is: 1,787,703.35
Step by Step Solution
- Step 1: Write the proportion equation
1,616,959.35 : 2,427,121.31 = 1,190,976.18 : x - Step 2: Convert to fraction form
1,616,959.35/2,427,121.31 = 1,190,976.18/x - Step 3: Cross multiply
1,616,959.35x = 2,427,121.31 × 1,190,976.18 - Step 4: Simplify right side
1,616,959.35x = 2,890,643,651,123.81 - Step 5: Solve for x
x = 2,890,643,651,123.81/1,616,959.35 - Step 6: Final answer
x = 1,787,703.35
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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.