Finding the Fourth Proportional to 2,128,885.20, 3,193,838.10 and 708,953.58
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Solution
The fourth proportional to 2,128,885.20, 3,193,838.10 and 708,953.58 is: 1,063,600.31
Step by Step Solution
- Step 1: Write the proportion equation
2,128,885.20 : 3,193,838.10 = 708,953.58 : x - Step 2: Convert to fraction form
2,128,885.20/3,193,838.10 = 708,953.58/x - Step 3: Cross multiply
2,128,885.20x = 3,193,838.10 × 708,953.58 - Step 4: Simplify right side
2,128,885.20x = 2,264,282,954,935.40 - Step 5: Solve for x
x = 2,264,282,954,935.40/2,128,885.20 - Step 6: Final answer
x = 1,063,600.31
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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.