Finding the Fourth Proportional to 4,215,334.92, 6,323,018.58 and 1,020,455.97
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Solution
The fourth proportional to 4,215,334.92, 6,323,018.58 and 1,020,455.97 is: 1,530,687.88
Step by Step Solution
- Step 1: Write the proportion equation
4,215,334.92 : 6,323,018.58 = 1,020,455.97 : x - Step 2: Convert to fraction form
4,215,334.92/6,323,018.58 = 1,020,455.97/x - Step 3: Cross multiply
4,215,334.92x = 6,323,018.58 × 1,020,455.97 - Step 4: Simplify right side
4,215,334.92x = 6,452,362,058,381.92 - Step 5: Solve for x
x = 6,452,362,058,381.92/4,215,334.92 - Step 6: Final answer
x = 1,530,687.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.