Finding the Fourth Proportional to 2,641,883.36, 3,961,575.79 and 1,023,410.21
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Solution
The fourth proportional to 2,641,883.36, 3,961,575.79 and 1,023,410.21 is: 1,534,631.38
Step by Step Solution
- Step 1: Write the proportion equation
2,641,883.36 : 3,961,575.79 = 1,023,410.21 : x - Step 2: Convert to fraction form
2,641,883.36/3,961,575.79 = 1,023,410.21/x - Step 3: Cross multiply
2,641,883.36x = 3,961,575.79 × 1,023,410.21 - Step 4: Simplify right side
2,641,883.36x = 4,054,317,088,808.41 - Step 5: Solve for x
x = 4,054,317,088,808.41/2,641,883.36 - Step 6: Final answer
x = 1,534,631.38
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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.