Finding the Fourth Proportional to 4,990,238.88, 6,886,524.74 and 2,698,394.10
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Solution
The fourth proportional to 4,990,238.88, 6,886,524.74 and 2,698,394.10 is: 3,723,781.20
Step by Step Solution
- Step 1: Write the proportion equation
4,990,238.88 : 6,886,524.74 = 2,698,394.10 : x - Step 2: Convert to fraction form
4,990,238.88/6,886,524.74 = 2,698,394.10/x - Step 3: Cross multiply
4,990,238.88x = 6,886,524.74 × 2,698,394.10 - Step 4: Simplify right side
4,990,238.88x = 18,582,557,714,428.07 - Step 5: Solve for x
x = 18,582,557,714,428.07/4,990,238.88 - Step 6: Final answer
x = 3,723,781.20
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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.