Finding the Fourth Proportional to 5,173,203.28, 7,139,022.60 and 2,999,006.96
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Solution
The fourth proportional to 5,173,203.28, 7,139,022.60 and 2,999,006.96 is: 4,138,630.81
Step by Step Solution
- Step 1: Write the proportion equation
5,173,203.28 : 7,139,022.60 = 2,999,006.96 : x - Step 2: Convert to fraction form
5,173,203.28/7,139,022.60 = 2,999,006.96/x - Step 3: Cross multiply
5,173,203.28x = 7,139,022.60 × 2,999,006.96 - Step 4: Simplify right side
5,173,203.28x = 21,409,978,464,997.29 - Step 5: Solve for x
x = 21,409,978,464,997.29/5,173,203.28 - Step 6: Final answer
x = 4,138,630.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.