Finding the Fourth Proportional to 3,642,630.12, 5,464,209.24 and 1,398,768.12
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Solution
The fourth proportional to 3,642,630.12, 5,464,209.24 and 1,398,768.12 is: 2,098,253.58
Step by Step Solution
- Step 1: Write the proportion equation
3,642,630.12 : 5,464,209.24 = 1,398,768.12 : x - Step 2: Convert to fraction form
3,642,630.12/5,464,209.24 = 1,398,768.12/x - Step 3: Cross multiply
3,642,630.12x = 5,464,209.24 × 1,398,768.12 - Step 4: Simplify right side
3,642,630.12x = 7,643,161,685,921.43 - Step 5: Solve for x
x = 7,643,161,685,921.43/3,642,630.12 - Step 6: Final answer
x = 2,098,253.58
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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.