Finding the Fourth Proportional to 1,841,616.60, 2,540,517.12 and 1,230,588.62
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Solution
The fourth proportional to 1,841,616.60, 2,540,517.12 and 1,230,588.62 is: 1,697,601.69
Step by Step Solution
- Step 1: Write the proportion equation
1,841,616.60 : 2,540,517.12 = 1,230,588.62 : x - Step 2: Convert to fraction form
1,841,616.60/2,540,517.12 = 1,230,588.62/x - Step 3: Cross multiply
1,841,616.60x = 2,540,517.12 × 1,230,588.62 - Step 4: Simplify right side
1,841,616.60x = 3,126,331,456,787.18 - Step 5: Solve for x
x = 3,126,331,456,787.18/1,841,616.60 - Step 6: Final answer
x = 1,697,601.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.