Finding the Fourth Proportional to 2,579,339.84, 3,869,046.95 and 981,990.68
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Solution
The fourth proportional to 2,579,339.84, 3,869,046.95 and 981,990.68 is: 1,473,000.17
Step by Step Solution
- Step 1: Write the proportion equation
2,579,339.84 : 3,869,046.95 = 981,990.68 : x - Step 2: Convert to fraction form
2,579,339.84/3,869,046.95 = 981,990.68/x - Step 3: Cross multiply
2,579,339.84x = 3,869,046.95 × 981,990.68 - Step 4: Simplify right side
2,579,339.84x = 3,799,368,021,127.24 - Step 5: Solve for x
x = 3,799,368,021,127.24/2,579,339.84 - Step 6: Final answer
x = 1,473,000.17
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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.