Finding the Fourth Proportional to 2,212,163.06, 3,053,728.65 and 1,487,430.86
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Solution
The fourth proportional to 2,212,163.06, 3,053,728.65 and 1,487,430.86 is: 2,053,289.07
Step by Step Solution
- Step 1: Write the proportion equation
2,212,163.06 : 3,053,728.65 = 1,487,430.86 : x - Step 2: Convert to fraction form
2,212,163.06/3,053,728.65 = 1,487,430.86/x - Step 3: Cross multiply
2,212,163.06x = 3,053,728.65 × 1,487,430.86 - Step 4: Simplify right side
2,212,163.06x = 4,542,210,232,076.14 - Step 5: Solve for x
x = 4,542,210,232,076.14/2,212,163.06 - Step 6: Final answer
x = 2,053,289.07
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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.