Finding the Fourth Proportional to 1,625,419, 2,437,934.37 and 427,434.63
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Solution
The fourth proportional to 1,625,419, 2,437,934.37 and 427,434.63 is: 641,100.89
Step by Step Solution
- Step 1: Write the proportion equation
1,625,419 : 2,437,934.37 = 427,434.63 : x - Step 2: Convert to fraction form
1,625,419/2,437,934.37 = 427,434.63/x - Step 3: Cross multiply
1,625,419x = 2,437,934.37 × 427,434.63 - Step 4: Simplify right side
1,625,419x = 1,042,057,575,405.23 - Step 5: Solve for x
x = 1,042,057,575,405.23/1,625,419 - Step 6: Final answer
x = 641,100.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.