Finding the Fourth Proportional to 1,537,267.28, 2,121,449.82 and 848,985.56
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Solution
The fourth proportional to 1,537,267.28, 2,121,449.82 and 848,985.56 is: 1,171,611.66
Step by Step Solution
- Step 1: Write the proportion equation
1,537,267.28 : 2,121,449.82 = 848,985.56 : x - Step 2: Convert to fraction form
1,537,267.28/2,121,449.82 = 848,985.56/x - Step 3: Cross multiply
1,537,267.28x = 2,121,449.82 × 848,985.56 - Step 4: Simplify right side
1,537,267.28x = 1,801,080,263,444.60 - Step 5: Solve for x
x = 1,801,080,263,444.60/1,537,267.28 - Step 6: Final answer
x = 1,171,611.66
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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.