Finding the Fourth Proportional to 2,173,795.40, 2,994,903.06 and 1,682,074.26
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Solution
The fourth proportional to 2,173,795.40, 2,994,903.06 and 1,682,074.26 is: 2,317,444.12
Step by Step Solution
- Step 1: Write the proportion equation
2,173,795.40 : 2,994,903.06 = 1,682,074.26 : x - Step 2: Convert to fraction form
2,173,795.40/2,994,903.06 = 1,682,074.26/x - Step 3: Cross multiply
2,173,795.40x = 2,994,903.06 × 1,682,074.26 - Step 4: Simplify right side
2,173,795.40x = 5,037,649,348,421.24 - Step 5: Solve for x
x = 5,037,649,348,421.24/2,173,795.40 - Step 6: Final answer
x = 2,317,444.12
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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.