Finding the Fourth Proportional to 1,536,456.30, 2,120,317.02 and 848,115.63
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Solution
The fourth proportional to 1,536,456.30, 2,120,317.02 and 848,115.63 is: 1,170,403.62
Step by Step Solution
- Step 1: Write the proportion equation
1,536,456.30 : 2,120,317.02 = 848,115.63 : x - Step 2: Convert to fraction form
1,536,456.30/2,120,317.02 = 848,115.63/x - Step 3: Cross multiply
1,536,456.30x = 2,120,317.02 × 848,115.63 - Step 4: Simplify right side
1,536,456.30x = 1,798,274,005,217.02 - Step 5: Solve for x
x = 1,798,274,005,217.02/1,536,456.30 - Step 6: Final answer
x = 1,170,403.62
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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.