Finding the Fourth Proportional to 1,281,951.18, 1,921,570.83 and 482,886.99
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Solution
The fourth proportional to 1,281,951.18, 1,921,570.83 and 482,886.99 is: 723,819.73
Step by Step Solution
- Step 1: Write the proportion equation
1,281,951.18 : 1,921,570.83 = 482,886.99 : x - Step 2: Convert to fraction form
1,281,951.18/1,921,570.83 = 482,886.99/x - Step 3: Cross multiply
1,281,951.18x = 1,921,570.83 × 482,886.99 - Step 4: Simplify right side
1,281,951.18x = 927,901,554,170.50 - Step 5: Solve for x
x = 927,901,554,170.50/1,281,951.18 - Step 6: Final answer
x = 723,819.73
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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.