Finding the Fourth Proportional to 2,867,361.19, 3,956,504.97 and 1,643,430.94
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Solution
The fourth proportional to 2,867,361.19, 3,956,504.97 and 1,643,430.94 is: 2,267,674.79
Step by Step Solution
- Step 1: Write the proportion equation
2,867,361.19 : 3,956,504.97 = 1,643,430.94 : x - Step 2: Convert to fraction form
2,867,361.19/3,956,504.97 = 1,643,430.94/x - Step 3: Cross multiply
2,867,361.19x = 3,956,504.97 × 1,643,430.94 - Step 4: Simplify right side
2,867,361.19x = 6,502,242,681,961.77 - Step 5: Solve for x
x = 6,502,242,681,961.77/2,867,361.19 - Step 6: Final answer
x = 2,267,674.79
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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.