Finding the Fourth Proportional to 4,081,826.76, 5,631,652.82 and 2,315,433.98
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Solution
The fourth proportional to 4,081,826.76, 5,631,652.82 and 2,315,433.98 is: 3,194,579.55
Step by Step Solution
- Step 1: Write the proportion equation
4,081,826.76 : 5,631,652.82 = 2,315,433.98 : x - Step 2: Convert to fraction form
4,081,826.76/5,631,652.82 = 2,315,433.98/x - Step 3: Cross multiply
4,081,826.76x = 5,631,652.82 × 2,315,433.98 - Step 4: Simplify right side
4,081,826.76x = 13,039,720,302,990.82 - Step 5: Solve for x
x = 13,039,720,302,990.82/4,081,826.76 - Step 6: Final answer
x = 3,194,579.55
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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.