Finding the Fourth Proportional to 1,625,420, 2,437,935.87 and 427,435.63
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Solution
The fourth proportional to 1,625,420, 2,437,935.87 and 427,435.63 is: 641,102.39
Step by Step Solution
- Step 1: Write the proportion equation
1,625,420 : 2,437,935.87 = 427,435.63 : x - Step 2: Convert to fraction form
1,625,420/2,437,935.87 = 427,435.63/x - Step 3: Cross multiply
1,625,420x = 2,437,935.87 × 427,435.63 - Step 4: Simplify right side
1,625,420x = 1,042,060,654,493.05 - Step 5: Solve for x
x = 1,042,060,654,493.05/1,625,420 - Step 6: Final answer
x = 641,102.39
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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.