Finding the Fourth Proportional to 5,440,195.67, 7,507,173.47 and 2,992,411.53
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Solution
The fourth proportional to 5,440,195.67, 7,507,173.47 and 2,992,411.53 is: 4,129,364.79
Step by Step Solution
- Step 1: Write the proportion equation
5,440,195.67 : 7,507,173.47 = 2,992,411.53 : x - Step 2: Convert to fraction form
5,440,195.67/7,507,173.47 = 2,992,411.53/x - Step 3: Cross multiply
5,440,195.67x = 7,507,173.47 × 2,992,411.53 - Step 4: Simplify right side
5,440,195.67x = 22,464,552,434,376.05 - Step 5: Solve for x
x = 22,464,552,434,376.05/5,440,195.67 - Step 6: Final answer
x = 4,129,364.79
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1.5x scale
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.