Finding the Fourth Proportional to 1,620,097.38, 2,235,690.99 and 894,929.49
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Solution
The fourth proportional to 1,620,097.38, 2,235,690.99 and 894,929.49 is: 1,234,978.73
Step by Step Solution
- Step 1: Write the proportion equation
1,620,097.38 : 2,235,690.99 = 894,929.49 : x - Step 2: Convert to fraction form
1,620,097.38/2,235,690.99 = 894,929.49/x - Step 3: Cross multiply
1,620,097.38x = 2,235,690.99 × 894,929.49 - Step 4: Simplify right side
1,620,097.38x = 2,000,785,797,478.30 - Step 5: Solve for x
x = 2,000,785,797,478.30/1,620,097.38 - Step 6: Final answer
x = 1,234,978.73
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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.