Finding the Fourth Proportional to 4,518,279.12, 6,235,224.48 and 2,453,284.56
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Solution
The fourth proportional to 4,518,279.12, 6,235,224.48 and 2,453,284.56 is: 3,385,532.31
Step by Step Solution
- Step 1: Write the proportion equation
4,518,279.12 : 6,235,224.48 = 2,453,284.56 : x - Step 2: Convert to fraction form
4,518,279.12/6,235,224.48 = 2,453,284.56/x - Step 3: Cross multiply
4,518,279.12x = 6,235,224.48 × 2,453,284.56 - Step 4: Simplify right side
4,518,279.12x = 15,296,779,968,300.12 - Step 5: Solve for x
x = 15,296,779,968,300.12/4,518,279.12 - Step 6: Final answer
x = 3,385,532.31
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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.