Finding the Fourth Proportional to 6,295,072.14, 8,687,199.87 and 3,578,818.14
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Solution
The fourth proportional to 6,295,072.14, 8,687,199.87 and 3,578,818.14 is: 4,938,769.21
Step by Step Solution
- Step 1: Write the proportion equation
6,295,072.14 : 8,687,199.87 = 3,578,818.14 : x - Step 2: Convert to fraction form
6,295,072.14/8,687,199.87 = 3,578,818.14/x - Step 3: Cross multiply
6,295,072.14x = 8,687,199.87 × 3,578,818.14 - Step 4: Simplify right side
6,295,072.14x = 31,089,908,480,561.64 - Step 5: Solve for x
x = 31,089,908,480,561.64/6,295,072.14 - Step 6: Final answer
x = 4,938,769.21
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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.