Finding the Fourth Proportional to 2,806,911.32, 3,872,586.15 and 2,289,771.23
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Solution
The fourth proportional to 2,806,911.32, 3,872,586.15 and 2,289,771.23 is: 3,159,108.12
Step by Step Solution
- Step 1: Write the proportion equation
2,806,911.32 : 3,872,586.15 = 2,289,771.23 : x - Step 2: Convert to fraction form
2,806,911.32/3,872,586.15 = 2,289,771.23/x - Step 3: Cross multiply
2,806,911.32x = 3,872,586.15 × 2,289,771.23 - Step 4: Simplify right side
2,806,911.32x = 8,867,336,332,603.53 - Step 5: Solve for x
x = 8,867,336,332,603.53/2,806,911.32 - Step 6: Final answer
x = 3,159,108.12
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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.