Finding the Fourth Proportional to 5,082,778.13, 7,014,283.02 and 2,790,988.02
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Solution
The fourth proportional to 5,082,778.13, 7,014,283.02 and 2,790,988.02 is: 3,851,590.49
Step by Step Solution
- Step 1: Write the proportion equation
5,082,778.13 : 7,014,283.02 = 2,790,988.02 : x - Step 2: Convert to fraction form
5,082,778.13/7,014,283.02 = 2,790,988.02/x - Step 3: Cross multiply
5,082,778.13x = 7,014,283.02 × 2,790,988.02 - Step 4: Simplify right side
5,082,778.13x = 19,576,779,877,709.42 - Step 5: Solve for x
x = 19,576,779,877,709.42/5,082,778.13 - Step 6: Final answer
x = 3,851,590.49
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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.