Finding the Fourth Proportional to 2,128,996.42, 3,192,313.13 and 708,276.94
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Solution
The fourth proportional to 2,128,996.42, 3,192,313.13 and 708,276.94 is: 1,062,022.35
Step by Step Solution
- Step 1: Write the proportion equation
2,128,996.42 : 3,192,313.13 = 708,276.94 : x - Step 2: Convert to fraction form
2,128,996.42/3,192,313.13 = 708,276.94/x - Step 3: Cross multiply
2,128,996.42x = 3,192,313.13 × 708,276.94 - Step 4: Simplify right side
2,128,996.42x = 2,261,041,775,238.22 - Step 5: Solve for x
x = 2,261,041,775,238.22/2,128,996.42 - Step 6: Final answer
x = 1,062,022.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.