Finding the Fourth Proportional to 1,532,122.45, 2,114,558.84 and 1,163,993.81
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Solution
The fourth proportional to 1,532,122.45, 2,114,558.84 and 1,163,993.81 is: 1,606,486.09
Step by Step Solution
- Step 1: Write the proportion equation
1,532,122.45 : 2,114,558.84 = 1,163,993.81 : x - Step 2: Convert to fraction form
1,532,122.45/2,114,558.84 = 1,163,993.81/x - Step 3: Cross multiply
1,532,122.45x = 2,114,558.84 × 1,163,993.81 - Step 4: Simplify right side
1,532,122.45x = 2,461,333,400,640.78 - Step 5: Solve for x
x = 2,461,333,400,640.78/1,532,122.45 - Step 6: Final answer
x = 1,606,486.09
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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.