Finding the Fourth Proportional to 3,475,438.12, 4,796,036.76 and 1,905,551.20
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Solution
The fourth proportional to 3,475,438.12, 4,796,036.76 and 1,905,551.20 is: 2,629,623.46
Step by Step Solution
- Step 1: Write the proportion equation
3,475,438.12 : 4,796,036.76 = 1,905,551.20 : x - Step 2: Convert to fraction form
3,475,438.12/4,796,036.76 = 1,905,551.20/x - Step 3: Cross multiply
3,475,438.12x = 4,796,036.76 × 1,905,551.20 - Step 4: Simplify right side
3,475,438.12x = 9,139,093,603,262.11 - Step 5: Solve for x
x = 9,139,093,603,262.11/3,475,438.12 - Step 6: Final answer
x = 2,629,623.46
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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.