Finding the Fourth Proportional to 4,809,839.12, 6,637,236.55 and 2,744,370.71
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Solution
The fourth proportional to 4,809,839.12, 6,637,236.55 and 2,744,370.71 is: 3,787,036.77
Step by Step Solution
- Step 1: Write the proportion equation
4,809,839.12 : 6,637,236.55 = 2,744,370.71 : x - Step 2: Convert to fraction form
4,809,839.12/6,637,236.55 = 2,744,370.71/x - Step 3: Cross multiply
4,809,839.12x = 6,637,236.55 × 2,744,370.71 - Step 4: Simplify right side
4,809,839.12x = 18,215,037,583,161.45 - Step 5: Solve for x
x = 18,215,037,583,161.45/4,809,839.12 - Step 6: Final answer
x = 3,787,036.77
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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.