Finding the Fourth Proportional to 1,519,565.96, 2,279,285.58 and 397,610.12
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Solution
The fourth proportional to 1,519,565.96, 2,279,285.58 and 397,610.12 is: 596,398.60
Step by Step Solution
- Step 1: Write the proportion equation
1,519,565.96 : 2,279,285.58 = 397,610.12 : x - Step 2: Convert to fraction form
1,519,565.96/2,279,285.58 = 397,610.12/x - Step 3: Cross multiply
1,519,565.96x = 2,279,285.58 × 397,610.12 - Step 4: Simplify right side
1,519,565.96x = 906,267,012,978.07 - Step 5: Solve for x
x = 906,267,012,978.07/1,519,565.96 - Step 6: Final answer
x = 596,398.60
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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.