Finding the Fourth Proportional to 5,386,182.96, 7,424,249.58 and 3,643,216.68
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Solution
The fourth proportional to 5,386,182.96, 7,424,249.58 and 3,643,216.68 is: 5,021,765.90
Step by Step Solution
- Step 1: Write the proportion equation
5,386,182.96 : 7,424,249.58 = 3,643,216.68 : x - Step 2: Convert to fraction form
5,386,182.96/7,424,249.58 = 3,643,216.68/x - Step 3: Cross multiply
5,386,182.96x = 7,424,249.58 × 3,643,216.68 - Step 4: Simplify right side
5,386,182.96x = 27,048,149,906,339.00 - Step 5: Solve for x
x = 27,048,149,906,339.00/5,386,182.96 - Step 6: Final answer
x = 5,021,765.90
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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.