Finding the Fourth Proportional to 2,248,430.94, 3,103,134.84 and 1,268,571.11
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Solution
The fourth proportional to 2,248,430.94, 3,103,134.84 and 1,268,571.11 is: 1,750,797.47
Step by Step Solution
- Step 1: Write the proportion equation
2,248,430.94 : 3,103,134.84 = 1,268,571.11 : x - Step 2: Convert to fraction form
2,248,430.94/3,103,134.84 = 1,268,571.11/x - Step 3: Cross multiply
2,248,430.94x = 3,103,134.84 × 1,268,571.11 - Step 4: Simplify right side
2,248,430.94x = 3,936,547,192,942.80 - Step 5: Solve for x
x = 3,936,547,192,942.80/2,248,430.94 - Step 6: Final answer
x = 1,750,797.47
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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.