Finding the Fourth Proportional to 1,877,833.26, 2,591,412.75 and 1,018,387.62
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Solution
The fourth proportional to 1,877,833.26, 2,591,412.75 and 1,018,387.62 is: 1,405,376.46
Step by Step Solution
- Step 1: Write the proportion equation
1,877,833.26 : 2,591,412.75 = 1,018,387.62 : x - Step 2: Convert to fraction form
1,877,833.26/2,591,412.75 = 1,018,387.62/x - Step 3: Cross multiply
1,877,833.26x = 2,591,412.75 × 1,018,387.62 - Step 4: Simplify right side
1,877,833.26x = 2,639,062,662,910.15 - Step 5: Solve for x
x = 2,639,062,662,910.15/1,877,833.26 - Step 6: Final answer
x = 1,405,376.46
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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.