Finding the Fourth Proportional to 5,159,537.12, 7,119,738 and 3,037,485.25
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Solution
The fourth proportional to 5,159,537.12, 7,119,738 and 3,037,485.25 is: 4,191,480.48
Step by Step Solution
- Step 1: Write the proportion equation
5,159,537.12 : 7,119,738 = 3,037,485.25 : x - Step 2: Convert to fraction form
5,159,537.12/7,119,738 = 3,037,485.25/x - Step 3: Cross multiply
5,159,537.12x = 7,119,738 × 3,037,485.25 - Step 4: Simplify right side
5,159,537.12x = 21,626,099,141,065.16 - Step 5: Solve for x
x = 21,626,099,141,065.16/5,159,537.12 - Step 6: Final answer
x = 4,191,480.48
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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.