Finding the Fourth Proportional to 4,161,798.40, 6,243,113.40 and 1,129,212.40
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Solution
The fourth proportional to 4,161,798.40, 6,243,113.40 and 1,129,212.40 is: 1,693,931.42
Step by Step Solution
- Step 1: Write the proportion equation
4,161,798.40 : 6,243,113.40 = 1,129,212.40 : x - Step 2: Convert to fraction form
4,161,798.40/6,243,113.40 = 1,129,212.40/x - Step 3: Cross multiply
4,161,798.40x = 6,243,113.40 × 1,129,212.40 - Step 4: Simplify right side
4,161,798.40x = 7,049,801,065,886.16 - Step 5: Solve for x
x = 7,049,801,065,886.16/4,161,798.40 - Step 6: Final answer
x = 1,693,931.42
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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.