Finding the Fourth Proportional to 2,216,955.43, 3,059,397.14 and 1,198,360.18
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Solution
The fourth proportional to 2,216,955.43, 3,059,397.14 and 1,198,360.18 is: 1,653,736.32
Step by Step Solution
- Step 1: Write the proportion equation
2,216,955.43 : 3,059,397.14 = 1,198,360.18 : x - Step 2: Convert to fraction form
2,216,955.43/3,059,397.14 = 1,198,360.18/x - Step 3: Cross multiply
2,216,955.43x = 3,059,397.14 × 1,198,360.18 - Step 4: Simplify right side
2,216,955.43x = 3,666,259,707,381.89 - Step 5: Solve for x
x = 3,666,259,707,381.89/2,216,955.43 - Step 6: Final answer
x = 1,653,736.32
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1.5x scale
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.