Finding the Fourth Proportional to 2,378,152.74, 3,567,219.36 and 861,480.54
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Solution
The fourth proportional to 2,378,152.74, 3,567,219.36 and 861,480.54 is: 1,292,217.28
Step by Step Solution
- Step 1: Write the proportion equation
2,378,152.74 : 3,567,219.36 = 861,480.54 : x - Step 2: Convert to fraction form
2,378,152.74/3,567,219.36 = 861,480.54/x - Step 3: Cross multiply
2,378,152.74x = 3,567,219.36 × 861,480.54 - Step 4: Simplify right side
2,378,152.74x = 3,073,090,060,551.25 - Step 5: Solve for x
x = 3,073,090,060,551.25/2,378,152.74 - Step 6: Final answer
x = 1,292,217.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.