Finding the Fourth Proportional to 2,444,320.35, 3,361,197.65 and 2,121,468.21
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Solution
The fourth proportional to 2,444,320.35, 3,361,197.65 and 2,121,468.21 is: 2,917,241.99
Step by Step Solution
- Step 1: Write the proportion equation
2,444,320.35 : 3,361,197.65 = 2,121,468.21 : x - Step 2: Convert to fraction form
2,444,320.35/3,361,197.65 = 2,121,468.21/x - Step 3: Cross multiply
2,444,320.35x = 3,361,197.65 × 2,121,468.21 - Step 4: Simplify right side
2,444,320.35x = 7,130,673,951,394.37 - Step 5: Solve for x
x = 7,130,673,951,394.37/2,444,320.35 - Step 6: Final answer
x = 2,917,241.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.