Finding the Fourth Proportional to 1,491,905.80, 2,239,810.02 and 885,800.62
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Solution
The fourth proportional to 1,491,905.80, 2,239,810.02 and 885,800.62 is: 1,329,859.50
Step by Step Solution
- Step 1: Write the proportion equation
1,491,905.80 : 2,239,810.02 = 885,800.62 : x - Step 2: Convert to fraction form
1,491,905.80/2,239,810.02 = 885,800.62/x - Step 3: Cross multiply
1,491,905.80x = 2,239,810.02 × 885,800.62 - Step 4: Simplify right side
1,491,905.80x = 1,984,025,104,398.21 - Step 5: Solve for x
x = 1,984,025,104,398.21/1,491,905.80 - Step 6: Final answer
x = 1,329,859.50
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1.5x scale
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.