Finding the Fourth Proportional to 2,584,049.09, 3,565,987.79 and 1,438,400.07
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Solution
The fourth proportional to 2,584,049.09, 3,565,987.79 and 1,438,400.07 is: 1,984,992.12
Step by Step Solution
- Step 1: Write the proportion equation
2,584,049.09 : 3,565,987.79 = 1,438,400.07 : x - Step 2: Convert to fraction form
2,584,049.09/3,565,987.79 = 1,438,400.07/x - Step 3: Cross multiply
2,584,049.09x = 3,565,987.79 × 1,438,400.07 - Step 4: Simplify right side
2,584,049.09x = 5,129,317,079,563.15 - Step 5: Solve for x
x = 5,129,317,079,563.15/2,584,049.09 - Step 6: Final answer
x = 1,984,992.12
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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.