Finding the Fourth Proportional to 1,385,944.36, 1,912,626.66 and 774,150.76
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Solution
The fourth proportional to 1,385,944.36, 1,912,626.66 and 774,150.76 is: 1,068,341.14
Step by Step Solution
- Step 1: Write the proportion equation
1,385,944.36 : 1,912,626.66 = 774,150.76 : x - Step 2: Convert to fraction form
1,385,944.36/1,912,626.66 = 774,150.76/x - Step 3: Cross multiply
1,385,944.36x = 1,912,626.66 × 774,150.76 - Step 4: Simplify right side
1,385,944.36x = 1,480,661,382,435.26 - Step 5: Solve for x
x = 1,480,661,382,435.26/1,385,944.36 - Step 6: Final answer
x = 1,068,341.14
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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.