Finding the Fourth Proportional to 1,520,836.14, 2,099,221.11 and 876,686.94
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Solution
The fourth proportional to 1,520,836.14, 2,099,221.11 and 876,686.94 is: 1,210,097.32
Step by Step Solution
- Step 1: Write the proportion equation
1,520,836.14 : 2,099,221.11 = 876,686.94 : x - Step 2: Convert to fraction form
1,520,836.14/2,099,221.11 = 876,686.94/x - Step 3: Cross multiply
1,520,836.14x = 2,099,221.11 × 876,686.94 - Step 4: Simplify right side
1,520,836.14x = 1,840,359,731,309.30 - Step 5: Solve for x
x = 1,840,359,731,309.30/1,520,836.14 - Step 6: Final answer
x = 1,210,097.32
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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.