Finding the Fourth Proportional to 3,129,225.81, 4,317,974.46 and 1,752,378.09
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Solution
The fourth proportional to 3,129,225.81, 4,317,974.46 and 1,752,378.09 is: 2,418,081.75
Step by Step Solution
- Step 1: Write the proportion equation
3,129,225.81 : 4,317,974.46 = 1,752,378.09 : x - Step 2: Convert to fraction form
3,129,225.81/4,317,974.46 = 1,752,378.09/x - Step 3: Cross multiply
3,129,225.81x = 4,317,974.46 × 1,752,378.09 - Step 4: Simplify right side
3,129,225.81x = 7,566,723,836,883.58 - Step 5: Solve for x
x = 7,566,723,836,883.58/3,129,225.81 - Step 6: Final answer
x = 2,418,081.75
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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.