Finding the Fourth Proportional to 3,214,258.08, 4,435,382.97 and 1,907,284.88
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Solution
The fourth proportional to 3,214,258.08, 4,435,382.97 and 1,907,284.88 is: 2,631,879.17
Step by Step Solution
- Step 1: Write the proportion equation
3,214,258.08 : 4,435,382.97 = 1,907,284.88 : x - Step 2: Convert to fraction form
3,214,258.08/4,435,382.97 = 1,907,284.88/x - Step 3: Cross multiply
3,214,258.08x = 4,435,382.97 × 1,907,284.88 - Step 4: Simplify right side
3,214,258.08x = 8,459,538,875,690.49 - Step 5: Solve for x
x = 8,459,538,875,690.49/3,214,258.08 - Step 6: Final answer
x = 2,631,879.17
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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.