Finding the Fourth Proportional to 2,974,207.13, 4,461,274.56 and 815,230.42
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Solution
The fourth proportional to 2,974,207.13, 4,461,274.56 and 815,230.42 is: 1,222,835.73
Step by Step Solution
- Step 1: Write the proportion equation
2,974,207.13 : 4,461,274.56 = 815,230.42 : x - Step 2: Convert to fraction form
2,974,207.13/4,461,274.56 = 815,230.42/x - Step 3: Cross multiply
2,974,207.13x = 4,461,274.56 × 815,230.42 - Step 4: Simplify right side
2,974,207.13x = 3,636,966,733,284.12 - Step 5: Solve for x
x = 3,636,966,733,284.12/2,974,207.13 - Step 6: Final answer
x = 1,222,835.73
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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.