Finding the Fourth Proportional to 1,785,319.53, 2,677,135.21 and 691,616.63
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Solution
The fourth proportional to 1,785,319.53, 2,677,135.21 and 691,616.63 is: 1,037,097.96
Step by Step Solution
- Step 1: Write the proportion equation
1,785,319.53 : 2,677,135.21 = 691,616.63 : x - Step 2: Convert to fraction form
1,785,319.53/2,677,135.21 = 691,616.63/x - Step 3: Cross multiply
1,785,319.53x = 2,677,135.21 × 691,616.63 - Step 4: Simplify right side
1,785,319.53x = 1,851,551,236,958.34 - Step 5: Solve for x
x = 1,851,551,236,958.34/1,785,319.53 - Step 6: Final answer
x = 1,037,097.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.