Finding the Fourth Proportional to 1,563,411.23, 2,154,558.84 and 1,252,961.18
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Solution
The fourth proportional to 1,563,411.23, 2,154,558.84 and 1,252,961.18 is: 1,726,723.29
Step by Step Solution
- Step 1: Write the proportion equation
1,563,411.23 : 2,154,558.84 = 1,252,961.18 : x - Step 2: Convert to fraction form
1,563,411.23/2,154,558.84 = 1,252,961.18/x - Step 3: Cross multiply
1,563,411.23x = 2,154,558.84 × 1,252,961.18 - Step 4: Simplify right side
1,563,411.23x = 2,699,578,586,545.83 - Step 5: Solve for x
x = 2,699,578,586,545.83/1,563,411.23 - Step 6: Final answer
x = 1,726,723.29
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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.