Finding the Fourth Proportional to 5,106,922.12, 7,047,599.94 and 2,815,165
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Solution
The fourth proportional to 5,106,922.12, 7,047,599.94 and 2,815,165 is: 3,884,953.84
Step by Step Solution
- Step 1: Write the proportion equation
5,106,922.12 : 7,047,599.94 = 2,815,165 : x - Step 2: Convert to fraction form
5,106,922.12/7,047,599.94 = 2,815,165/x - Step 3: Cross multiply
5,106,922.12x = 7,047,599.94 × 2,815,165 - Step 4: Simplify right side
5,106,922.12x = 19,840,156,685,090.10 - Step 5: Solve for x
x = 19,840,156,685,090.10/5,106,922.12 - Step 6: Final answer
x = 3,884,953.84
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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.