Finding the Fourth Proportional to 3,451,012.80, 5,176,519.20 and 2,611,204.80
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Solution
The fourth proportional to 3,451,012.80, 5,176,519.20 and 2,611,204.80 is: 3,916,807.20
Step by Step Solution
- Step 1: Write the proportion equation
3,451,012.80 : 5,176,519.20 = 2,611,204.80 : x - Step 2: Convert to fraction form
3,451,012.80/5,176,519.20 = 2,611,204.80/x - Step 3: Cross multiply
3,451,012.80x = 5,176,519.20 × 2,611,204.80 - Step 4: Simplify right side
3,451,012.80x = 13,516,951,782,332.16 - Step 5: Solve for x
x = 13,516,951,782,332.16/3,451,012.80 - Step 6: Final answer
x = 3,916,807.20
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1.5x scale
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.