Finding the Fourth Proportional to 1,849,217.60, 2,772,076.80 and 1,091,640.80
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Solution
The fourth proportional to 1,849,217.60, 2,772,076.80 and 1,091,640.80 is: 1,636,428.37
Step by Step Solution
- Step 1: Write the proportion equation
1,849,217.60 : 2,772,076.80 = 1,091,640.80 : x - Step 2: Convert to fraction form
1,849,217.60/2,772,076.80 = 1,091,640.80/x - Step 3: Cross multiply
1,849,217.60x = 2,772,076.80 × 1,091,640.80 - Step 4: Simplify right side
1,849,217.60x = 3,026,112,135,613.44 - Step 5: Solve for x
x = 3,026,112,135,613.44/1,849,217.60 - Step 6: Final answer
x = 1,636,428.37
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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.