Finding the Fourth Proportional to 3,213,286.49, 4,819,946.27 and 1,083,389.06
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Solution
The fourth proportional to 3,213,286.49, 4,819,946.27 and 1,083,389.06 is: 1,625,089.16
Step by Step Solution
- Step 1: Write the proportion equation
3,213,286.49 : 4,819,946.27 = 1,083,389.06 : x - Step 2: Convert to fraction form
3,213,286.49/4,819,946.27 = 1,083,389.06/x - Step 3: Cross multiply
3,213,286.49x = 4,819,946.27 × 1,083,389.06 - Step 4: Simplify right side
3,213,286.49x = 5,221,877,029,189.13 - Step 5: Solve for x
x = 5,221,877,029,189.13/3,213,286.49 - Step 6: Final answer
x = 1,625,089.16
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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.