Finding the Fourth Proportional to 4,905,996.16, 6,769,708.68 and 2,841,051.28
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Solution
The fourth proportional to 4,905,996.16, 6,769,708.68 and 2,841,051.28 is: 3,920,322.99
Step by Step Solution
- Step 1: Write the proportion equation
4,905,996.16 : 6,769,708.68 = 2,841,051.28 : x - Step 2: Convert to fraction form
4,905,996.16/6,769,708.68 = 2,841,051.28/x - Step 3: Cross multiply
4,905,996.16x = 6,769,708.68 × 2,841,051.28 - Step 4: Simplify right side
4,905,996.16x = 19,233,089,510,541.11 - Step 5: Solve for x
x = 19,233,089,510,541.11/4,905,996.16 - Step 6: Final answer
x = 3,920,322.99
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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.