Finding the Fourth Proportional to 2,033,631.80, 2,806,317.72 and 1,115,838.08
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Solution
The fourth proportional to 2,033,631.80, 2,806,317.72 and 1,115,838.08 is: 1,539,804.88
Step by Step Solution
- Step 1: Write the proportion equation
2,033,631.80 : 2,806,317.72 = 1,115,838.08 : x - Step 2: Convert to fraction form
2,033,631.80/2,806,317.72 = 1,115,838.08/x - Step 3: Cross multiply
2,033,631.80x = 2,806,317.72 × 1,115,838.08 - Step 4: Simplify right side
2,033,631.80x = 3,131,396,176,554.78 - Step 5: Solve for x
x = 3,131,396,176,554.78/2,033,631.80 - Step 6: Final answer
x = 1,539,804.88
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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.