Finding the Fourth Proportional to 2,092,151.70, 3,138,762.15 and 672,221.70
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Solution
The fourth proportional to 2,092,151.70, 3,138,762.15 and 672,221.70 is: 1,008,504.32
Step by Step Solution
- Step 1: Write the proportion equation
2,092,151.70 : 3,138,762.15 = 672,221.70 : x - Step 2: Convert to fraction form
2,092,151.70/3,138,762.15 = 672,221.70/x - Step 3: Cross multiply
2,092,151.70x = 3,138,762.15 × 672,221.70 - Step 4: Simplify right side
2,092,151.70x = 2,109,944,028,368.65 - Step 5: Solve for x
x = 2,109,944,028,368.65/2,092,151.70 - Step 6: Final answer
x = 1,008,504.32
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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.