Finding the Fourth Proportional to 2,197,923.30, 3,297,869.10 and 999,228.60
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Solution
The fourth proportional to 2,197,923.30, 3,297,869.10 and 999,228.60 is: 1,499,290.32
Step by Step Solution
- Step 1: Write the proportion equation
2,197,923.30 : 3,297,869.10 = 999,228.60 : x - Step 2: Convert to fraction form
2,197,923.30/3,297,869.10 = 999,228.60/x - Step 3: Cross multiply
2,197,923.30x = 3,297,869.10 × 999,228.60 - Step 4: Simplify right side
2,197,923.30x = 3,295,325,123,776.26 - Step 5: Solve for x
x = 3,295,325,123,776.26/2,197,923.30 - Step 6: Final answer
x = 1,499,290.32
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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.