Finding the Fourth Proportional to 3,872,079.93, 5,344,596.63 and 2,582,917.14
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Solution
The fourth proportional to 3,872,079.93, 5,344,596.63 and 2,582,917.14 is: 3,565,176.98
Step by Step Solution
- Step 1: Write the proportion equation
3,872,079.93 : 5,344,596.63 = 2,582,917.14 : x - Step 2: Convert to fraction form
3,872,079.93/5,344,596.63 = 2,582,917.14/x - Step 3: Cross multiply
3,872,079.93x = 5,344,596.63 × 2,582,917.14 - Step 4: Simplify right side
3,872,079.93x = 13,804,650,242,013.24 - Step 5: Solve for x
x = 13,804,650,242,013.24/3,872,079.93 - Step 6: Final answer
x = 3,565,176.98
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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.