Finding the Fourth Proportional to 1,418,121.92, 1,957,730.94 and 1,095,106.88
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Solution
The fourth proportional to 1,418,121.92, 1,957,730.94 and 1,095,106.88 is: 1,511,805.57
Step by Step Solution
- Step 1: Write the proportion equation
1,418,121.92 : 1,957,730.94 = 1,095,106.88 : x - Step 2: Convert to fraction form
1,418,121.92/1,957,730.94 = 1,095,106.88/x - Step 3: Cross multiply
1,418,121.92x = 1,957,730.94 × 1,095,106.88 - Step 4: Simplify right side
1,418,121.92x = 2,143,924,621,582.87 - Step 5: Solve for x
x = 2,143,924,621,582.87/1,418,121.92 - Step 6: Final answer
x = 1,511,805.57
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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.