Finding the Fourth Proportional to 2,678,945.24, 4,018,449.18 and 785,724.68
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Solution
The fourth proportional to 2,678,945.24, 4,018,449.18 and 785,724.68 is: 1,178,596.21
Step by Step Solution
- Step 1: Write the proportion equation
2,678,945.24 : 4,018,449.18 = 785,724.68 : x - Step 2: Convert to fraction form
2,678,945.24/4,018,449.18 = 785,724.68/x - Step 3: Cross multiply
2,678,945.24x = 4,018,449.18 × 785,724.68 - Step 4: Simplify right side
2,678,945.24x = 3,157,394,696,051.76 - Step 5: Solve for x
x = 3,157,394,696,051.76/2,678,945.24 - Step 6: Final answer
x = 1,178,596.21
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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.