Finding the Fourth Proportional to 1,545,990.28, 2,133,488.58 and 934,057.96
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Solution
The fourth proportional to 1,545,990.28, 2,133,488.58 and 934,057.96 is: 1,289,013.27
Step by Step Solution
- Step 1: Write the proportion equation
1,545,990.28 : 2,133,488.58 = 934,057.96 : x - Step 2: Convert to fraction form
1,545,990.28/2,133,488.58 = 934,057.96/x - Step 3: Cross multiply
1,545,990.28x = 2,133,488.58 × 934,057.96 - Step 4: Simplify right side
1,545,990.28x = 1,992,801,990,718.10 - Step 5: Solve for x
x = 1,992,801,990,718.10/1,545,990.28 - Step 6: Final answer
x = 1,289,013.27
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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.