Finding the Fourth Proportional to 3,791,715.53, 5,689,009.79 and 2,276,456.63
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Solution
The fourth proportional to 3,791,715.53, 5,689,009.79 and 2,276,456.63 is: 3,415,547.38
Step by Step Solution
- Step 1: Write the proportion equation
3,791,715.53 : 5,689,009.79 = 2,276,456.63 : x - Step 2: Convert to fraction form
3,791,715.53/5,689,009.79 = 2,276,456.63/x - Step 3: Cross multiply
3,791,715.53x = 5,689,009.79 × 2,276,456.63 - Step 4: Simplify right side
3,791,715.53x = 12,950,784,054,580.41 - Step 5: Solve for x
x = 12,950,784,054,580.41/3,791,715.53 - Step 6: Final answer
x = 3,415,547.38
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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.