Finding the Fourth Proportional to 1,445,919.12, 1,993,594.68 and 1,173,214.80
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Solution
The fourth proportional to 1,445,919.12, 1,993,594.68 and 1,173,214.80 is: 1,617,597.24
Step by Step Solution
- Step 1: Write the proportion equation
1,445,919.12 : 1,993,594.68 = 1,173,214.80 : x - Step 2: Convert to fraction form
1,445,919.12/1,993,594.68 = 1,173,214.80/x - Step 3: Cross multiply
1,445,919.12x = 1,993,594.68 × 1,173,214.80 - Step 4: Simplify right side
1,445,919.12x = 2,338,914,783,777.26 - Step 5: Solve for x
x = 2,338,914,783,777.26/1,445,919.12 - Step 6: Final answer
x = 1,617,597.24
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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.