Finding the Fourth Proportional to 1,589,415.16, 2,194,205.61 and 1,226,023.24
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Solution
The fourth proportional to 1,589,415.16, 2,194,205.61 and 1,226,023.24 is: 1,692,538.95
Step by Step Solution
- Step 1: Write the proportion equation
1,589,415.16 : 2,194,205.61 = 1,226,023.24 : x - Step 2: Convert to fraction form
1,589,415.16/2,194,205.61 = 1,226,023.24/x - Step 3: Cross multiply
1,589,415.16x = 2,194,205.61 × 1,226,023.24 - Step 4: Simplify right side
1,589,415.16x = 2,690,147,071,198.38 - Step 5: Solve for x
x = 2,690,147,071,198.38/1,589,415.16 - Step 6: Final answer
x = 1,692,538.95
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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.