Finding the Fourth Proportional to 1,818,733.92, 2,508,811.20 and 1,138,489.44
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Solution
The fourth proportional to 1,818,733.92, 2,508,811.20 and 1,138,489.44 is: 1,570,463.40
Step by Step Solution
- Step 1: Write the proportion equation
1,818,733.92 : 2,508,811.20 = 1,138,489.44 : x - Step 2: Convert to fraction form
1,818,733.92/2,508,811.20 = 1,138,489.44/x - Step 3: Cross multiply
1,818,733.92x = 2,508,811.20 × 1,138,489.44 - Step 4: Simplify right side
1,818,733.92x = 2,856,255,058,153.73 - Step 5: Solve for x
x = 2,856,255,058,153.73/1,818,733.92 - Step 6: Final answer
x = 1,570,463.40
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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.