Finding the Fourth Proportional to 1,791,293.13, 2,471,872.55 and 986,477.13
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Solution
The fourth proportional to 1,791,293.13, 2,471,872.55 and 986,477.13 is: 1,361,276.77
Step by Step Solution
- Step 1: Write the proportion equation
1,791,293.13 : 2,471,872.55 = 986,477.13 : x - Step 2: Convert to fraction form
1,791,293.13/2,471,872.55 = 986,477.13/x - Step 3: Cross multiply
1,791,293.13x = 2,471,872.55 × 986,477.13 - Step 4: Simplify right side
1,791,293.13x = 2,438,445,733,917.40 - Step 5: Solve for x
x = 2,438,445,733,917.40/1,791,293.13 - Step 6: Final answer
x = 1,361,276.77
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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.