Finding the Fourth Proportional to 3,420,552.48, 4,720,362.84 and 1,871,814.48
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Solution
The fourth proportional to 3,420,552.48, 4,720,362.84 and 1,871,814.48 is: 2,583,104.21
Step by Step Solution
- Step 1: Write the proportion equation
3,420,552.48 : 4,720,362.84 = 1,871,814.48 : x - Step 2: Convert to fraction form
3,420,552.48/4,720,362.84 = 1,871,814.48/x - Step 3: Cross multiply
3,420,552.48x = 4,720,362.84 × 1,871,814.48 - Step 4: Simplify right side
3,420,552.48x = 8,835,643,514,765.92 - Step 5: Solve for x
x = 8,835,643,514,765.92/3,420,552.48 - Step 6: Final answer
x = 2,583,104.21
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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.