Finding the Fourth Proportional to 2,289,989.97, 3,160,062.76 and 1,271,329.17
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Solution
The fourth proportional to 2,289,989.97, 3,160,062.76 and 1,271,329.17 is: 1,754,365.75
Step by Step Solution
- Step 1: Write the proportion equation
2,289,989.97 : 3,160,062.76 = 1,271,329.17 : x - Step 2: Convert to fraction form
2,289,989.97/3,160,062.76 = 1,271,329.17/x - Step 3: Cross multiply
2,289,989.97x = 3,160,062.76 × 1,271,329.17 - Step 4: Simplify right side
2,289,989.97x = 4,017,479,965,818.71 - Step 5: Solve for x
x = 4,017,479,965,818.71/2,289,989.97 - Step 6: Final answer
x = 1,754,365.75
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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.