Finding the Fourth Proportional to 5,571,349.24, 7,686,082.50 and 3,849,480.40
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Solution
The fourth proportional to 5,571,349.24, 7,686,082.50 and 3,849,480.40 is: 5,310,638.89
Step by Step Solution
- Step 1: Write the proportion equation
5,571,349.24 : 7,686,082.50 = 3,849,480.40 : x - Step 2: Convert to fraction form
5,571,349.24/7,686,082.50 = 3,849,480.40/x - Step 3: Cross multiply
5,571,349.24x = 7,686,082.50 × 3,849,480.40 - Step 4: Simplify right side
5,571,349.24x = 29,587,423,936,533 - Step 5: Solve for x
x = 29,587,423,936,533/5,571,349.24 - Step 6: Final answer
x = 5,310,638.89
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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.