Finding the Fourth Proportional to 2,098,130.58, 3,147,195.86 and 1,387,992.54
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Solution
The fourth proportional to 2,098,130.58, 3,147,195.86 and 1,387,992.54 is: 2,081,988.80
Step by Step Solution
- Step 1: Write the proportion equation
2,098,130.58 : 3,147,195.86 = 1,387,992.54 : x - Step 2: Convert to fraction form
2,098,130.58/3,147,195.86 = 1,387,992.54/x - Step 3: Cross multiply
2,098,130.58x = 3,147,195.86 × 1,387,992.54 - Step 4: Simplify right side
2,098,130.58x = 4,368,284,352,922.94 - Step 5: Solve for x
x = 4,368,284,352,922.94/2,098,130.58 - Step 6: Final answer
x = 2,081,988.80
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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.