Finding the Fourth Proportional to 5,291,073.28, 7,303,235.04 and 3,455,812.12
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Solution
The fourth proportional to 5,291,073.28, 7,303,235.04 and 3,455,812.12 is: 4,770,035.65
Step by Step Solution
- Step 1: Write the proportion equation
5,291,073.28 : 7,303,235.04 = 3,455,812.12 : x - Step 2: Convert to fraction form
5,291,073.28/7,303,235.04 = 3,455,812.12/x - Step 3: Cross multiply
5,291,073.28x = 7,303,235.04 × 3,455,812.12 - Step 4: Simplify right side
5,291,073.28x = 25,238,608,166,440.69 - Step 5: Solve for x
x = 25,238,608,166,440.69/5,291,073.28 - Step 6: Final answer
x = 4,770,035.65
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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.