Finding the Fourth Proportional to 3,199,438.48, 4,415,240.71 and 1,749,133.99
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Solution
The fourth proportional to 3,199,438.48, 4,415,240.71 and 1,749,133.99 is: 2,413,813.43
Step by Step Solution
- Step 1: Write the proportion equation
3,199,438.48 : 4,415,240.71 = 1,749,133.99 : x - Step 2: Convert to fraction form
3,199,438.48/4,415,240.71 = 1,749,133.99/x - Step 3: Cross multiply
3,199,438.48x = 4,415,240.71 × 1,749,133.99 - Step 4: Simplify right side
3,199,438.48x = 7,722,847,582,762.47 - Step 5: Solve for x
x = 7,722,847,582,762.47/3,199,438.48 - Step 6: Final answer
x = 2,413,813.43
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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.