Finding the Fourth Proportional to 4,520,075.26, 6,237,749.63 and 2,455,131.15
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Solution
The fourth proportional to 4,520,075.26, 6,237,749.63 and 2,455,131.15 is: 3,388,105.85
Step by Step Solution
- Step 1: Write the proportion equation
4,520,075.26 : 6,237,749.63 = 2,455,131.15 : x - Step 2: Convert to fraction form
4,520,075.26/6,237,749.63 = 2,455,131.15/x - Step 3: Cross multiply
4,520,075.26x = 6,237,749.63 × 2,455,131.15 - Step 4: Simplify right side
4,520,075.26x = 15,314,493,422,513.97 - Step 5: Solve for x
x = 15,314,493,422,513.97/4,520,075.26 - Step 6: Final answer
x = 3,388,105.85
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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.