Finding the Fourth Proportional to 4,215,716.76, 6,321,606.78 and 1,519,686.84
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Solution
The fourth proportional to 4,215,716.76, 6,321,606.78 and 1,519,686.84 is: 2,278,820.70
Step by Step Solution
- Step 1: Write the proportion equation
4,215,716.76 : 6,321,606.78 = 1,519,686.84 : x - Step 2: Convert to fraction form
4,215,716.76/6,321,606.78 = 1,519,686.84/x - Step 3: Cross multiply
4,215,716.76x = 6,321,606.78 × 1,519,686.84 - Step 4: Simplify right side
4,215,716.76x = 9,606,862,631,220.78 - Step 5: Solve for x
x = 9,606,862,631,220.78/4,215,716.76 - Step 6: Final answer
x = 2,278,820.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.