Finding the Fourth Proportional to 5,082,549.84, 7,014,031.92 and 2,790,720
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Solution
The fourth proportional to 5,082,549.84, 7,014,031.92 and 2,790,720 is: 3,851,255.72
Step by Step Solution
- Step 1: Write the proportion equation
5,082,549.84 : 7,014,031.92 = 2,790,720 : x - Step 2: Convert to fraction form
5,082,549.84/7,014,031.92 = 2,790,720/x - Step 3: Cross multiply
5,082,549.84x = 7,014,031.92 × 2,790,720 - Step 4: Simplify right side
5,082,549.84x = 19,574,199,159,782.40 - Step 5: Solve for x
x = 19,574,199,159,782.40/5,082,549.84 - Step 6: Final answer
x = 3,851,255.72
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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.