Finding the Fourth Proportional to 1,646,401.91, 2,469,602.87 and 1,085,305.19
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Solution
The fourth proportional to 1,646,401.91, 2,469,602.87 and 1,085,305.19 is: 1,627,957.79
Step by Step Solution
- Step 1: Write the proportion equation
1,646,401.91 : 2,469,602.87 = 1,085,305.19 : x - Step 2: Convert to fraction form
1,646,401.91/2,469,602.87 = 1,085,305.19/x - Step 3: Cross multiply
1,646,401.91x = 2,469,602.87 × 1,085,305.19 - Step 4: Simplify right side
1,646,401.91x = 2,680,272,806,623.37 - Step 5: Solve for x
x = 2,680,272,806,623.37/1,646,401.91 - Step 6: Final answer
x = 1,627,957.79
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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.