Finding the Fourth Proportional to 1,926,494.25, 2,660,349.12 and 1,442,218.53
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Solution
The fourth proportional to 1,926,494.25, 2,660,349.12 and 1,442,218.53 is: 1,991,599.40
Step by Step Solution
- Step 1: Write the proportion equation
1,926,494.25 : 2,660,349.12 = 1,442,218.53 : x - Step 2: Convert to fraction form
1,926,494.25/2,660,349.12 = 1,442,218.53/x - Step 3: Cross multiply
1,926,494.25x = 2,660,349.12 × 1,442,218.53 - Step 4: Simplify right side
1,926,494.25x = 3,836,804,797,133.19 - Step 5: Solve for x
x = 3,836,804,797,133.19/1,926,494.25 - Step 6: Final answer
x = 1,991,599.40
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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.