Finding the Fourth Proportional to 2,218,982.76, 3,062,027.16 and 1,252,203.12
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Solution
The fourth proportional to 2,218,982.76, 3,062,027.16 and 1,252,203.12 is: 1,727,944.91
Step by Step Solution
- Step 1: Write the proportion equation
2,218,982.76 : 3,062,027.16 = 1,252,203.12 : x - Step 2: Convert to fraction form
2,218,982.76/3,062,027.16 = 1,252,203.12/x - Step 3: Cross multiply
2,218,982.76x = 3,062,027.16 × 1,252,203.12 - Step 4: Simplify right side
2,218,982.76x = 3,834,279,963,276.74 - Step 5: Solve for x
x = 3,834,279,963,276.74/2,218,982.76 - Step 6: Final answer
x = 1,727,944.91
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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.