Finding the Fourth Proportional to 3,447,287.58, 5,130,236.29 and 3,332,349.12
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Solution
The fourth proportional to 3,447,287.58, 5,130,236.29 and 3,332,349.12 is: 4,959,185.44
Step by Step Solution
- Step 1: Write the proportion equation
3,447,287.58 : 5,130,236.29 = 3,332,349.12 : x - Step 2: Convert to fraction form
3,447,287.58/5,130,236.29 = 3,332,349.12/x - Step 3: Cross multiply
3,447,287.58x = 5,130,236.29 × 3,332,349.12 - Step 4: Simplify right side
3,447,287.58x = 17,095,738,386,373.57 - Step 5: Solve for x
x = 17,095,738,386,373.57/3,447,287.58 - Step 6: Final answer
x = 4,959,185.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.