Finding the Fourth Proportional to 3,818,568.21, 5,269,813.30 and 2,368,730.79
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Solution
The fourth proportional to 3,818,568.21, 5,269,813.30 and 2,368,730.79 is: 3,268,965.84
Step by Step Solution
- Step 1: Write the proportion equation
3,818,568.21 : 5,269,813.30 = 2,368,730.79 : x - Step 2: Convert to fraction form
3,818,568.21/5,269,813.30 = 2,368,730.79/x - Step 3: Cross multiply
3,818,568.21x = 5,269,813.30 × 2,368,730.79 - Step 4: Simplify right side
3,818,568.21x = 12,482,769,021,261.51 - Step 5: Solve for x
x = 12,482,769,021,261.51/3,818,568.21 - Step 6: Final answer
x = 3,268,965.84
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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.