Finding the Fourth Proportional to 1,618,862.14, 2,234,218.71 and 1,346,449.42
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Solution
The fourth proportional to 1,618,862.14, 2,234,218.71 and 1,346,449.42 is: 1,858,257.36
Step by Step Solution
- Step 1: Write the proportion equation
1,618,862.14 : 2,234,218.71 = 1,346,449.42 : x - Step 2: Convert to fraction form
1,618,862.14/2,234,218.71 = 1,346,449.42/x - Step 3: Cross multiply
1,618,862.14x = 2,234,218.71 × 1,346,449.42 - Step 4: Simplify right side
1,618,862.14x = 3,008,262,486,232.65 - Step 5: Solve for x
x = 3,008,262,486,232.65/1,618,862.14 - Step 6: Final answer
x = 1,858,257.36
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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.