Finding the Fourth Proportional to 5,280,535.68, 7,286,944.32 and 2,866,035.84
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Solution
The fourth proportional to 5,280,535.68, 7,286,944.32 and 2,866,035.84 is: 3,955,023.67
Step by Step Solution
- Step 1: Write the proportion equation
5,280,535.68 : 7,286,944.32 = 2,866,035.84 : x - Step 2: Convert to fraction form
5,280,535.68/7,286,944.32 = 2,866,035.84/x - Step 3: Cross multiply
5,280,535.68x = 7,286,944.32 × 2,866,035.84 - Step 4: Simplify right side
5,280,535.68x = 20,884,643,585,204.43 - Step 5: Solve for x
x = 20,884,643,585,204.43/5,280,535.68 - Step 6: Final answer
x = 3,955,023.67
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1.5x scale
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.