Finding the Fourth Proportional to 5,427,881.75, 8,145,555.11 and 1,882,025.75
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Solution
The fourth proportional to 5,427,881.75, 8,145,555.11 and 1,882,025.75 is: 2,824,332.80
Step by Step Solution
- Step 1: Write the proportion equation
5,427,881.75 : 8,145,555.11 = 1,882,025.75 : x - Step 2: Convert to fraction form
5,427,881.75/8,145,555.11 = 1,882,025.75/x - Step 3: Cross multiply
5,427,881.75x = 8,145,555.11 × 1,882,025.75 - Step 4: Simplify right side
5,427,881.75x = 15,330,144,465,064.08 - Step 5: Solve for x
x = 15,330,144,465,064.08/5,427,881.75 - Step 6: Final answer
x = 2,824,332.80
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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.