Finding the Fourth Proportional to 2,018,248.10, 2,785,857.29 and 1,202,707.52
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Solution
The fourth proportional to 2,018,248.10, 2,785,857.29 and 1,202,707.52 is: 1,660,138.56
Step by Step Solution
- Step 1: Write the proportion equation
2,018,248.10 : 2,785,857.29 = 1,202,707.52 : x - Step 2: Convert to fraction form
2,018,248.10/2,785,857.29 = 1,202,707.52/x - Step 3: Cross multiply
2,018,248.10x = 2,785,857.29 × 1,202,707.52 - Step 4: Simplify right side
2,018,248.10x = 3,350,571,492,387.00 - Step 5: Solve for x
x = 3,350,571,492,387.00/2,018,248.10 - Step 6: Final answer
x = 1,660,138.56
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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.