Finding the Fourth Proportional to 3,437,069.40, 4,743,230.94 and 1,888,351.02
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Solution
The fourth proportional to 3,437,069.40, 4,743,230.94 and 1,888,351.02 is: 2,605,965.71
Step by Step Solution
- Step 1: Write the proportion equation
3,437,069.40 : 4,743,230.94 = 1,888,351.02 : x - Step 2: Convert to fraction form
3,437,069.40/4,743,230.94 = 1,888,351.02/x - Step 3: Cross multiply
3,437,069.40x = 4,743,230.94 × 1,888,351.02 - Step 4: Simplify right side
3,437,069.40x = 8,956,884,983,644.56 - Step 5: Solve for x
x = 8,956,884,983,644.56/3,437,069.40 - Step 6: Final answer
x = 2,605,965.71
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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.