Finding the Fourth Proportional to 3,478,340.70, 5,214,919.05 and 1,796,651.10
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Solution
The fourth proportional to 3,478,340.70, 5,214,919.05 and 1,796,651.10 is: 2,693,637.82
Step by Step Solution
- Step 1: Write the proportion equation
3,478,340.70 : 5,214,919.05 = 1,796,651.10 : x - Step 2: Convert to fraction form
3,478,340.70/5,214,919.05 = 1,796,651.10/x - Step 3: Cross multiply
3,478,340.70x = 5,214,919.05 × 1,796,651.10 - Step 4: Simplify right side
3,478,340.70x = 9,369,390,047,593.46 - Step 5: Solve for x
x = 9,369,390,047,593.46/3,478,340.70 - Step 6: Final answer
x = 2,693,637.82
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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.