Finding the Fourth Proportional to 2,125,317.56, 3,188,167.79 and 686,035.09
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Solution
The fourth proportional to 2,125,317.56, 3,188,167.79 and 686,035.09 is: 1,029,114.43
Step by Step Solution
- Step 1: Write the proportion equation
2,125,317.56 : 3,188,167.79 = 686,035.09 : x - Step 2: Convert to fraction form
2,125,317.56/3,188,167.79 = 686,035.09/x - Step 3: Cross multiply
2,125,317.56x = 3,188,167.79 × 686,035.09 - Step 4: Simplify right side
2,125,317.56x = 2,187,194,965,347.16 - Step 5: Solve for x
x = 2,187,194,965,347.16/2,125,317.56 - Step 6: Final answer
x = 1,029,114.43
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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.