Finding the Fourth Proportional to 4,258,804.68, 6,382,890.60 and 2,129,497.74
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Solution
The fourth proportional to 4,258,804.68, 6,382,890.60 and 2,129,497.74 is: 3,191,588.28
Step by Step Solution
- Step 1: Write the proportion equation
4,258,804.68 : 6,382,890.60 = 2,129,497.74 : x - Step 2: Convert to fraction form
4,258,804.68/6,382,890.60 = 2,129,497.74/x - Step 3: Cross multiply
4,258,804.68x = 6,382,890.60 × 2,129,497.74 - Step 4: Simplify right side
4,258,804.68x = 13,592,351,107,367.24 - Step 5: Solve for x
x = 13,592,351,107,367.24/4,258,804.68 - Step 6: Final answer
x = 3,191,588.28
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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.