Finding the Fourth Proportional to 2,199,190.41, 3,034,880.79 and 1,219,192.07
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Solution
The fourth proportional to 2,199,190.41, 3,034,880.79 and 1,219,192.07 is: 1,682,483.95
Step by Step Solution
- Step 1: Write the proportion equation
2,199,190.41 : 3,034,880.79 = 1,219,192.07 : x - Step 2: Convert to fraction form
2,199,190.41/3,034,880.79 = 1,219,192.07/x - Step 3: Cross multiply
2,199,190.41x = 3,034,880.79 × 1,219,192.07 - Step 4: Simplify right side
2,199,190.41x = 3,700,102,577,388.93 - Step 5: Solve for x
x = 3,700,102,577,388.93/2,199,190.41 - Step 6: Final answer
x = 1,682,483.95
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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.