Finding the Fourth Proportional to 1,669,529.28, 2,504,398.68 and 471,545.40
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Solution
The fourth proportional to 1,669,529.28, 2,504,398.68 and 471,545.40 is: 707,347.69
Step by Step Solution
- Step 1: Write the proportion equation
1,669,529.28 : 2,504,398.68 = 471,545.40 : x - Step 2: Convert to fraction form
1,669,529.28/2,504,398.68 = 471,545.40/x - Step 3: Cross multiply
1,669,529.28x = 2,504,398.68 × 471,545.40 - Step 4: Simplify right side
1,669,529.28x = 1,180,937,677,320.07 - Step 5: Solve for x
x = 1,180,937,677,320.07/1,669,529.28 - Step 6: Final answer
x = 707,347.69
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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.