Finding the Fourth Proportional to 3,520,218.11, 4,857,068.36 and 1,992,325.23
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Solution
The fourth proportional to 3,520,218.11, 4,857,068.36 and 1,992,325.23 is: 2,748,937.58
Step by Step Solution
- Step 1: Write the proportion equation
3,520,218.11 : 4,857,068.36 = 1,992,325.23 : x - Step 2: Convert to fraction form
3,520,218.11/4,857,068.36 = 1,992,325.23/x - Step 3: Cross multiply
3,520,218.11x = 4,857,068.36 × 1,992,325.23 - Step 4: Simplify right side
3,520,218.11x = 9,676,859,827,501.10 - Step 5: Solve for x
x = 9,676,859,827,501.10/3,520,218.11 - Step 6: Final answer
x = 2,748,937.58
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1.5x scale
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.