Finding the Fourth Proportional to 3,621,535.74, 4,997,695.41 and 1,989,960.84
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Solution
The fourth proportional to 3,621,535.74, 4,997,695.41 and 1,989,960.84 is: 2,746,132.82
Step by Step Solution
- Step 1: Write the proportion equation
3,621,535.74 : 4,997,695.41 = 1,989,960.84 : x - Step 2: Convert to fraction form
3,621,535.74/4,997,695.41 = 1,989,960.84/x - Step 3: Cross multiply
3,621,535.74x = 4,997,695.41 × 1,989,960.84 - Step 4: Simplify right side
3,621,535.74x = 9,945,218,156,147.74 - Step 5: Solve for x
x = 9,945,218,156,147.74/3,621,535.74 - Step 6: Final answer
x = 2,746,132.82
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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.