Finding the Fourth Proportional to 4,059,923.11, 5,601,981.80 and 2,316,796.63
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Solution
The fourth proportional to 4,059,923.11, 5,601,981.80 and 2,316,796.63 is: 3,196,772.99
Step by Step Solution
- Step 1: Write the proportion equation
4,059,923.11 : 5,601,981.80 = 2,316,796.63 : x - Step 2: Convert to fraction form
4,059,923.11/5,601,981.80 = 2,316,796.63/x - Step 3: Cross multiply
4,059,923.11x = 5,601,981.80 × 2,316,796.63 - Step 4: Simplify right side
4,059,923.11x = 12,978,652,547,348.37 - Step 5: Solve for x
x = 12,978,652,547,348.37/4,059,923.11 - Step 6: Final answer
x = 3,196,772.99
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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.