Finding the Fourth Proportional to 6,787,630.80, 10,181,446.20 and 2,999,163.60
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Solution
The fourth proportional to 6,787,630.80, 10,181,446.20 and 2,999,163.60 is: 4,498,745.40
Step by Step Solution
- Step 1: Write the proportion equation
6,787,630.80 : 10,181,446.20 = 2,999,163.60 : x - Step 2: Convert to fraction form
6,787,630.80/10,181,446.20 = 2,999,163.60/x - Step 3: Cross multiply
6,787,630.80x = 10,181,446.20 × 2,999,163.60 - Step 4: Simplify right side
6,787,630.80x = 30,535,822,838,398.32 - Step 5: Solve for x
x = 30,535,822,838,398.32/6,787,630.80 - Step 6: Final answer
x = 4,498,745.40
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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.