Finding the Fourth Proportional to 3,896,506.56, 5,377,161.12 and 2,177,626.08
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Solution
The fourth proportional to 3,896,506.56, 5,377,161.12 and 2,177,626.08 is: 3,005,113.97
Step by Step Solution
- Step 1: Write the proportion equation
3,896,506.56 : 5,377,161.12 = 2,177,626.08 : x - Step 2: Convert to fraction form
3,896,506.56/5,377,161.12 = 2,177,626.08/x - Step 3: Cross multiply
3,896,506.56x = 5,377,161.12 × 2,177,626.08 - Step 4: Simplify right side
3,896,506.56x = 11,709,446,291,274.01 - Step 5: Solve for x
x = 11,709,446,291,274.01/3,896,506.56 - Step 6: Final answer
x = 3,005,113.97
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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.