Finding the Fourth Proportional to 5,258,074.26, 7,257,353.18 and 3,083,318.06
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Solution
The fourth proportional to 5,258,074.26, 7,257,353.18 and 3,083,318.06 is: 4,255,688.86
Step by Step Solution
- Step 1: Write the proportion equation
5,258,074.26 : 7,257,353.18 = 3,083,318.06 : x - Step 2: Convert to fraction form
5,258,074.26/7,257,353.18 = 3,083,318.06/x - Step 3: Cross multiply
5,258,074.26x = 7,257,353.18 × 3,083,318.06 - Step 4: Simplify right side
5,258,074.26x = 22,376,728,075,989.07 - Step 5: Solve for x
x = 22,376,728,075,989.07/5,258,074.26 - Step 6: Final answer
x = 4,255,688.86
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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.