Finding the Fourth Proportional to 2,144,541.56, 2,959,467.26 and 1,177,687.96
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Solution
The fourth proportional to 2,144,541.56, 2,959,467.26 and 1,177,687.96 is: 1,625,209.33
Step by Step Solution
- Step 1: Write the proportion equation
2,144,541.56 : 2,959,467.26 = 1,177,687.96 : x - Step 2: Convert to fraction form
2,144,541.56/2,959,467.26 = 1,177,687.96/x - Step 3: Cross multiply
2,144,541.56x = 2,959,467.26 × 1,177,687.96 - Step 4: Simplify right side
2,144,541.56x = 3,485,328,960,116.19 - Step 5: Solve for x
x = 3,485,328,960,116.19/2,144,541.56 - Step 6: Final answer
x = 1,625,209.33
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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.