Finding the Fourth Proportional to 1,581,000.40, 2,371,145.66 and 727,252.09
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Solution
The fourth proportional to 1,581,000.40, 2,371,145.66 and 727,252.09 is: 1,090,714.86
Step by Step Solution
- Step 1: Write the proportion equation
1,581,000.40 : 2,371,145.66 = 727,252.09 : x - Step 2: Convert to fraction form
1,581,000.40/2,371,145.66 = 727,252.09/x - Step 3: Cross multiply
1,581,000.40x = 2,371,145.66 × 727,252.09 - Step 4: Simplify right side
1,581,000.40x = 1,724,420,636,929.43 - Step 5: Solve for x
x = 1,724,420,636,929.43/1,581,000.40 - Step 6: Final answer
x = 1,090,714.86
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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.