Finding the Fourth Proportional to 2,144,481.66, 2,959,405.26 and 1,177,632.18
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Solution
The fourth proportional to 2,144,481.66, 2,959,405.26 and 1,177,632.18 is: 1,625,143.70
Step by Step Solution
- Step 1: Write the proportion equation
2,144,481.66 : 2,959,405.26 = 1,177,632.18 : x - Step 2: Convert to fraction form
2,144,481.66/2,959,405.26 = 1,177,632.18/x - Step 3: Cross multiply
2,144,481.66x = 2,959,405.26 × 1,177,632.18 - Step 4: Simplify right side
2,144,481.66x = 3,485,090,867,837.27 - Step 5: Solve for x
x = 3,485,090,867,837.27/2,144,481.66 - Step 6: Final answer
x = 1,625,143.70
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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.