Finding the Fourth Proportional to 4,138,482.70, 6,204,030.45 and 1,613,550.70
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Solution
The fourth proportional to 4,138,482.70, 6,204,030.45 and 1,613,550.70 is: 2,418,885.95
Step by Step Solution
- Step 1: Write the proportion equation
4,138,482.70 : 6,204,030.45 = 1,613,550.70 : x - Step 2: Convert to fraction form
4,138,482.70/6,204,030.45 = 1,613,550.70/x - Step 3: Cross multiply
4,138,482.70x = 6,204,030.45 × 1,613,550.70 - Step 4: Simplify right side
4,138,482.70x = 10,010,517,675,418.81 - Step 5: Solve for x
x = 10,010,517,675,418.81/4,138,482.70 - Step 6: Final answer
x = 2,418,885.95
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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.