Finding the Fourth Proportional to 1,842,459.16, 2,542,782.84 and 1,107,651.32
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Solution
The fourth proportional to 1,842,459.16, 2,542,782.84 and 1,107,651.32 is: 1,528,672.56
Step by Step Solution
- Step 1: Write the proportion equation
1,842,459.16 : 2,542,782.84 = 1,107,651.32 : x - Step 2: Convert to fraction form
1,842,459.16/2,542,782.84 = 1,107,651.32/x - Step 3: Cross multiply
1,842,459.16x = 2,542,782.84 × 1,107,651.32 - Step 4: Simplify right side
1,842,459.16x = 2,816,516,769,199.35 - Step 5: Solve for x
x = 2,816,516,769,199.35/1,842,459.16 - Step 6: Final answer
x = 1,528,672.56
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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.