Finding the Fourth Proportional to 1,926,495.75, 2,660,351.19 and 1,442,220.03
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Solution
The fourth proportional to 1,926,495.75, 2,660,351.19 and 1,442,220.03 is: 1,991,601.47
Step by Step Solution
- Step 1: Write the proportion equation
1,926,495.75 : 2,660,351.19 = 1,442,220.03 : x - Step 2: Convert to fraction form
1,926,495.75/2,660,351.19 = 1,442,220.03/x - Step 3: Cross multiply
1,926,495.75x = 2,660,351.19 × 1,442,220.03 - Step 4: Simplify right side
1,926,495.75x = 3,836,811,773,052.34 - Step 5: Solve for x
x = 3,836,811,773,052.34/1,926,495.75 - Step 6: Final answer
x = 1,991,601.47
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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.