Finding the Fourth Proportional to 3,931,737.74, 5,425,623.56 and 2,189,496.99
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Solution
The fourth proportional to 3,931,737.74, 5,425,623.56 and 2,189,496.99 is: 3,021,408.66
Step by Step Solution
- Step 1: Write the proportion equation
3,931,737.74 : 5,425,623.56 = 2,189,496.99 : x - Step 2: Convert to fraction form
3,931,737.74/5,425,623.56 = 2,189,496.99/x - Step 3: Cross multiply
3,931,737.74x = 5,425,623.56 × 2,189,496.99 - Step 4: Simplify right side
3,931,737.74x = 11,879,386,466,996.99 - Step 5: Solve for x
x = 11,879,386,466,996.99/3,931,737.74 - Step 6: Final answer
x = 3,021,408.66
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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.