Finding the Fourth Proportional to 1,326,874.68, 1,829,231.82 and 1,122,102.18
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Solution
The fourth proportional to 1,326,874.68, 1,829,231.82 and 1,122,102.18 is: 1,546,932.08
Step by Step Solution
- Step 1: Write the proportion equation
1,326,874.68 : 1,829,231.82 = 1,122,102.18 : x - Step 2: Convert to fraction form
1,326,874.68/1,829,231.82 = 1,122,102.18/x - Step 3: Cross multiply
1,326,874.68x = 1,829,231.82 × 1,122,102.18 - Step 4: Simplify right side
1,326,874.68x = 2,052,585,012,947.37 - Step 5: Solve for x
x = 2,052,585,012,947.37/1,326,874.68 - Step 6: Final answer
x = 1,546,932.08
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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.