Finding the Fourth Proportional to 1,232,722.88, 1,840,057.07 and 1,087,117.53
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Solution
The fourth proportional to 1,232,722.88, 1,840,057.07 and 1,087,117.53 is: 1,622,715.31
Step by Step Solution
- Step 1: Write the proportion equation
1,232,722.88 : 1,840,057.07 = 1,087,117.53 : x - Step 2: Convert to fraction form
1,232,722.88/1,840,057.07 = 1,087,117.53/x - Step 3: Cross multiply
1,232,722.88x = 1,840,057.07 × 1,087,117.53 - Step 4: Simplify right side
1,232,722.88x = 2,000,358,284,661.64 - Step 5: Solve for x
x = 2,000,358,284,661.64/1,232,722.88 - Step 6: Final answer
x = 1,622,715.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.