Finding the Fourth Proportional to 3,186,542.76, 4,397,373.54 and 1,736,250.12
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Solution
The fourth proportional to 3,186,542.76, 4,397,373.54 and 1,736,250.12 is: 2,395,994.94
Step by Step Solution
- Step 1: Write the proportion equation
3,186,542.76 : 4,397,373.54 = 1,736,250.12 : x - Step 2: Convert to fraction form
3,186,542.76/4,397,373.54 = 1,736,250.12/x - Step 3: Cross multiply
3,186,542.76x = 4,397,373.54 × 1,736,250.12 - Step 4: Simplify right side
3,186,542.76x = 7,634,940,336,509.83 - Step 5: Solve for x
x = 7,634,940,336,509.83/3,186,542.76 - Step 6: Final answer
x = 2,395,994.94
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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.