Finding the Fourth Proportional to 5,656,235, 8,485,680.90 and 1,869,717.74
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Solution
The fourth proportional to 5,656,235, 8,485,680.90 and 1,869,717.74 is: 2,805,015.72
Step by Step Solution
- Step 1: Write the proportion equation
5,656,235 : 8,485,680.90 = 1,869,717.74 : x - Step 2: Convert to fraction form
5,656,235/8,485,680.90 = 1,869,717.74/x - Step 3: Cross multiply
5,656,235x = 8,485,680.90 × 1,869,717.74 - Step 4: Simplify right side
5,656,235x = 15,865,828,114,709.17 - Step 5: Solve for x
x = 15,865,828,114,709.17/5,656,235 - Step 6: Final answer
x = 2,805,015.72
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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.