Finding the Fourth Proportional to 5,173,204.28, 7,139,023.98 and 2,999,007.96
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Solution
The fourth proportional to 5,173,204.28, 7,139,023.98 and 2,999,007.96 is: 4,138,632.19
Step by Step Solution
- Step 1: Write the proportion equation
5,173,204.28 : 7,139,023.98 = 2,999,007.96 : x - Step 2: Convert to fraction form
5,173,204.28/7,139,023.98 = 2,999,007.96/x - Step 3: Cross multiply
5,173,204.28x = 7,139,023.98 × 2,999,007.96 - Step 4: Simplify right side
5,173,204.28x = 21,409,989,742,650.88 - Step 5: Solve for x
x = 21,409,989,742,650.88/5,173,204.28 - Step 6: Final answer
x = 4,138,632.19
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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.