Finding the Fourth Proportional to 3,528,041.69, 4,868,107.36 and 2,078,025.84
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Solution
The fourth proportional to 3,528,041.69, 4,868,107.36 and 2,078,025.84 is: 2,867,328.05
Step by Step Solution
- Step 1: Write the proportion equation
3,528,041.69 : 4,868,107.36 = 2,078,025.84 : x - Step 2: Convert to fraction form
3,528,041.69/4,868,107.36 = 2,078,025.84/x - Step 3: Cross multiply
3,528,041.69x = 4,868,107.36 × 2,078,025.84 - Step 4: Simplify right side
3,528,041.69x = 10,116,052,880,779.12 - Step 5: Solve for x
x = 10,116,052,880,779.12/3,528,041.69 - Step 6: Final answer
x = 2,867,328.05
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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.