Finding the Fourth Proportional to 1,625,827.11, 2,242,378.37 and 1,109,996.84
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Solution
The fourth proportional to 1,625,827.11, 2,242,378.37 and 1,109,996.84 is: 1,530,933.32
Step by Step Solution
- Step 1: Write the proportion equation
1,625,827.11 : 2,242,378.37 = 1,109,996.84 : x - Step 2: Convert to fraction form
1,625,827.11/2,242,378.37 = 1,109,996.84/x - Step 3: Cross multiply
1,625,827.11x = 2,242,378.37 × 1,109,996.84 - Step 4: Simplify right side
1,625,827.11x = 2,489,032,888,022.48 - Step 5: Solve for x
x = 2,489,032,888,022.48/1,625,827.11 - Step 6: Final answer
x = 1,530,933.32
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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.