Finding the Fourth Proportional to 4,818,837.25, 6,649,933.36 and 2,753,829.17
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Solution
The fourth proportional to 4,818,837.25, 6,649,933.36 and 2,753,829.17 is: 3,800,248.80
Step by Step Solution
- Step 1: Write the proportion equation
4,818,837.25 : 6,649,933.36 = 2,753,829.17 : x - Step 2: Convert to fraction form
4,818,837.25/6,649,933.36 = 2,753,829.17/x - Step 3: Cross multiply
4,818,837.25x = 6,649,933.36 × 2,753,829.17 - Step 4: Simplify right side
4,818,837.25x = 18,312,780,470,450.89 - Step 5: Solve for x
x = 18,312,780,470,450.89/4,818,837.25 - Step 6: Final answer
x = 3,800,248.80
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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.