Finding the Fourth Proportional to 1,399,599.21, 2,099,731.97 and 452,969.92
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Solution
The fourth proportional to 1,399,599.21, 2,099,731.97 and 452,969.92 is: 679,562.70
Step by Step Solution
- Step 1: Write the proportion equation
1,399,599.21 : 2,099,731.97 = 452,969.92 : x - Step 2: Convert to fraction form
1,399,599.21/2,099,731.97 = 452,969.92/x - Step 3: Cross multiply
1,399,599.21x = 2,099,731.97 × 452,969.92 - Step 4: Simplify right side
1,399,599.21x = 951,115,422,472.34 - Step 5: Solve for x
x = 951,115,422,472.34/1,399,599.21 - Step 6: Final answer
x = 679,562.70
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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.