Finding the Fourth Proportional to 3,348,423.49, 4,620,982.35 and 1,898,147.11
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Solution
The fourth proportional to 3,348,423.49, 4,620,982.35 and 1,898,147.11 is: 2,619,532.54
Step by Step Solution
- Step 1: Write the proportion equation
3,348,423.49 : 4,620,982.35 = 1,898,147.11 : x - Step 2: Convert to fraction form
3,348,423.49/4,620,982.35 = 1,898,147.11/x - Step 3: Cross multiply
3,348,423.49x = 4,620,982.35 × 1,898,147.11 - Step 4: Simplify right side
3,348,423.49x = 8,771,304,293,013.51 - Step 5: Solve for x
x = 8,771,304,293,013.51/3,348,423.49 - Step 6: Final answer
x = 2,619,532.54
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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.