Finding the Fourth Proportional to 7,275,230.36, 10,920,025.28 and 3,863,507.19
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Solution
The fourth proportional to 7,275,230.36, 10,920,025.28 and 3,863,507.19 is: 5,799,073.58
Step by Step Solution
- Step 1: Write the proportion equation
7,275,230.36 : 10,920,025.28 = 3,863,507.19 : x - Step 2: Convert to fraction form
7,275,230.36/10,920,025.28 = 3,863,507.19/x - Step 3: Cross multiply
7,275,230.36x = 10,920,025.28 × 3,863,507.19 - Step 4: Simplify right side
7,275,230.36x = 42,189,596,184,261.76 - Step 5: Solve for x
x = 42,189,596,184,261.76/7,275,230.36 - Step 6: Final answer
x = 5,799,073.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.