Finding the Fourth Proportional to 6,449,257.97, 9,675,381.63 and 2,189,426.20
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Solution
The fourth proportional to 6,449,257.97, 9,675,381.63 and 2,189,426.20 is: 3,284,646.73
Step by Step Solution
- Step 1: Write the proportion equation
6,449,257.97 : 9,675,381.63 = 2,189,426.20 : x - Step 2: Convert to fraction form
6,449,257.97/9,675,381.63 = 2,189,426.20/x - Step 3: Cross multiply
6,449,257.97x = 9,675,381.63 × 2,189,426.20 - Step 4: Simplify right side
6,449,257.97x = 21,183,534,068,008.86 - Step 5: Solve for x
x = 21,183,534,068,008.86/6,449,257.97 - Step 6: Final answer
x = 3,284,646.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.