Finding the Fourth Proportional to 1,695,995.37, 2,339,422.99 and 1,115,284.90
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Solution
The fourth proportional to 1,695,995.37, 2,339,422.99 and 1,115,284.90 is: 1,538,402.27
Step by Step Solution
- Step 1: Write the proportion equation
1,695,995.37 : 2,339,422.99 = 1,115,284.90 : x - Step 2: Convert to fraction form
1,695,995.37/2,339,422.99 = 1,115,284.90/x - Step 3: Cross multiply
1,695,995.37x = 2,339,422.99 × 1,115,284.90 - Step 4: Simplify right side
1,695,995.37x = 2,609,123,135,459.85 - Step 5: Solve for x
x = 2,609,123,135,459.85/1,695,995.37 - Step 6: Final answer
x = 1,538,402.27
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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.