Finding the Fourth Proportional to 1,889,040.48, 2,606,877.84 and 1,029,601.44
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Solution
The fourth proportional to 1,889,040.48, 2,606,877.84 and 1,029,601.44 is: 1,420,851.07
Step by Step Solution
- Step 1: Write the proportion equation
1,889,040.48 : 2,606,877.84 = 1,029,601.44 : x - Step 2: Convert to fraction form
1,889,040.48/2,606,877.84 = 1,029,601.44/x - Step 3: Cross multiply
1,889,040.48x = 2,606,877.84 × 1,029,601.44 - Step 4: Simplify right side
1,889,040.48x = 2,684,045,177,968.09 - Step 5: Solve for x
x = 2,684,045,177,968.09/1,889,040.48 - Step 6: Final answer
x = 1,420,851.07
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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.