Finding the Fourth Proportional to 1,425,996.29, 2,137,555.11 and 893,890.99
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Solution
The fourth proportional to 1,425,996.29, 2,137,555.11 and 893,890.99 is: 1,339,934.24
Step by Step Solution
- Step 1: Write the proportion equation
1,425,996.29 : 2,137,555.11 = 893,890.99 : x - Step 2: Convert to fraction form
1,425,996.29/2,137,555.11 = 893,890.99/x - Step 3: Cross multiply
1,425,996.29x = 2,137,555.11 × 893,890.99 - Step 4: Simplify right side
1,425,996.29x = 1,910,741,251,465.66 - Step 5: Solve for x
x = 1,910,741,251,465.66/1,425,996.29 - Step 6: Final answer
x = 1,339,934.24
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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.