Finding the Fourth Proportional to 4,195,584.45, 5,787,810.49 and 2,648,763.09
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Solution
The fourth proportional to 4,195,584.45, 5,787,810.49 and 2,648,763.09 is: 3,653,969.78
Step by Step Solution
- Step 1: Write the proportion equation
4,195,584.45 : 5,787,810.49 = 2,648,763.09 : x - Step 2: Convert to fraction form
4,195,584.45/5,787,810.49 = 2,648,763.09/x - Step 3: Cross multiply
4,195,584.45x = 5,787,810.49 × 2,648,763.09 - Step 4: Simplify right side
4,195,584.45x = 15,330,538,797,826.81 - Step 5: Solve for x
x = 15,330,538,797,826.81/4,195,584.45 - Step 6: Final answer
x = 3,653,969.78
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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.