Finding the Fourth Proportional to 3,853,208.23, 5,317,602.42 and 2,134,328.56
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Solution
The fourth proportional to 3,853,208.23, 5,317,602.42 and 2,134,328.56 is: 2,945,470.38
Step by Step Solution
- Step 1: Write the proportion equation
3,853,208.23 : 5,317,602.42 = 2,134,328.56 : x - Step 2: Convert to fraction form
3,853,208.23/5,317,602.42 = 2,134,328.56/x - Step 3: Cross multiply
3,853,208.23x = 5,317,602.42 × 2,134,328.56 - Step 4: Simplify right side
3,853,208.23x = 11,349,510,715,731.12 - Step 5: Solve for x
x = 11,349,510,715,731.12/3,853,208.23 - Step 6: Final answer
x = 2,945,470.38
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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.