Finding the Fourth Proportional to 1,581,588.24, 2,182,587.84 and 856,435.92
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Solution
The fourth proportional to 1,581,588.24, 2,182,587.84 and 856,435.92 is: 1,181,879.44
Step by Step Solution
- Step 1: Write the proportion equation
1,581,588.24 : 2,182,587.84 = 856,435.92 : x - Step 2: Convert to fraction form
1,581,588.24/2,182,587.84 = 856,435.92/x - Step 3: Cross multiply
1,581,588.24x = 2,182,587.84 × 856,435.92 - Step 4: Simplify right side
1,581,588.24x = 1,869,246,624,731.21 - Step 5: Solve for x
x = 1,869,246,624,731.21/1,581,588.24 - Step 6: Final answer
x = 1,181,879.44
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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.