Finding the Fourth Proportional to 1,903,319.36, 2,626,338.60 and 1,087,575.80
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Solution
The fourth proportional to 1,903,319.36, 2,626,338.60 and 1,087,575.80 is: 1,500,716.26
Step by Step Solution
- Step 1: Write the proportion equation
1,903,319.36 : 2,626,338.60 = 1,087,575.80 : x - Step 2: Convert to fraction form
1,903,319.36/2,626,338.60 = 1,087,575.80/x - Step 3: Cross multiply
1,903,319.36x = 2,626,338.60 × 1,087,575.80 - Step 4: Simplify right side
1,903,319.36x = 2,856,342,303,965.88 - Step 5: Solve for x
x = 2,856,342,303,965.88/1,903,319.36 - Step 6: Final answer
x = 1,500,716.26
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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.