Finding the Fourth Proportional to 5,485,854.53, 7,570,146.42 and 3,038,319.05
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Solution
The fourth proportional to 5,485,854.53, 7,570,146.42 and 3,038,319.05 is: 4,192,695.94
Step by Step Solution
- Step 1: Write the proportion equation
5,485,854.53 : 7,570,146.42 = 3,038,319.05 : x - Step 2: Convert to fraction form
5,485,854.53/7,570,146.42 = 3,038,319.05/x - Step 3: Cross multiply
5,485,854.53x = 7,570,146.42 × 3,038,319.05 - Step 4: Simplify right side
5,485,854.53x = 23,000,520,041,324.57 - Step 5: Solve for x
x = 23,000,520,041,324.57/5,485,854.53 - Step 6: Final answer
x = 4,192,695.94
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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.