Finding the Fourth Proportional to 4,914,330.56, 6,785,234.16 and 3,447,357.92
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Solution
The fourth proportional to 4,914,330.56, 6,785,234.16 and 3,447,357.92 is: 4,759,779.68
Step by Step Solution
- Step 1: Write the proportion equation
4,914,330.56 : 6,785,234.16 = 3,447,357.92 : x - Step 2: Convert to fraction form
4,914,330.56/6,785,234.16 = 3,447,357.92/x - Step 3: Cross multiply
4,914,330.56x = 6,785,234.16 × 3,447,357.92 - Step 4: Simplify right side
4,914,330.56x = 23,391,130,720,530.55 - Step 5: Solve for x
x = 23,391,130,720,530.55/4,914,330.56 - Step 6: Final answer
x = 4,759,779.68
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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.