Finding the Fourth Proportional to 5,159,163.16, 7,738,762.74 and 1,564,961.08
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Solution
The fourth proportional to 5,159,163.16, 7,738,762.74 and 1,564,961.08 is: 2,347,447.08
Step by Step Solution
- Step 1: Write the proportion equation
5,159,163.16 : 7,738,762.74 = 1,564,961.08 : x - Step 2: Convert to fraction form
5,159,163.16/7,738,762.74 = 1,564,961.08/x - Step 3: Cross multiply
5,159,163.16x = 7,738,762.74 × 1,564,961.08 - Step 4: Simplify right side
5,159,163.16x = 12,110,862,495,454.16 - Step 5: Solve for x
x = 12,110,862,495,454.16/5,159,163.16 - Step 6: Final answer
x = 2,347,447.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.