Finding the Fourth Proportional to 1,599,408.99, 2,206,828.80 and 920,345.49
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Solution
The fourth proportional to 1,599,408.99, 2,206,828.80 and 920,345.49 is: 1,269,872.15
Step by Step Solution
- Step 1: Write the proportion equation
1,599,408.99 : 2,206,828.80 = 920,345.49 : x - Step 2: Convert to fraction form
1,599,408.99/2,206,828.80 = 920,345.49/x - Step 3: Cross multiply
1,599,408.99x = 2,206,828.80 × 920,345.49 - Step 4: Simplify right side
1,599,408.99x = 2,031,044,933,282.11 - Step 5: Solve for x
x = 2,031,044,933,282.11/1,599,408.99 - Step 6: Final answer
x = 1,269,872.15
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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.