Finding the Fourth Proportional to 2,428,560.14, 3,348,297.72 and 1,991,366.70
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Solution
The fourth proportional to 2,428,560.14, 3,348,297.72 and 1,991,366.70 is: 2,745,531.59
Step by Step Solution
- Step 1: Write the proportion equation
2,428,560.14 : 3,348,297.72 = 1,991,366.70 : x - Step 2: Convert to fraction form
2,428,560.14/3,348,297.72 = 1,991,366.70/x - Step 3: Cross multiply
2,428,560.14x = 3,348,297.72 × 1,991,366.70 - Step 4: Simplify right side
2,428,560.14x = 6,667,688,581,293.92 - Step 5: Solve for x
x = 6,667,688,581,293.92/2,428,560.14 - Step 6: Final answer
x = 2,745,531.59
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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.