Finding the Fourth Proportional to 2,163,868.92, 2,986,079.04 and 1,197,039.96
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Solution
The fourth proportional to 2,163,868.92, 2,986,079.04 and 1,197,039.96 is: 1,651,881.91
Step by Step Solution
- Step 1: Write the proportion equation
2,163,868.92 : 2,986,079.04 = 1,197,039.96 : x - Step 2: Convert to fraction form
2,163,868.92/2,986,079.04 = 1,197,039.96/x - Step 3: Cross multiply
2,163,868.92x = 2,986,079.04 × 1,197,039.96 - Step 4: Simplify right side
2,163,868.92x = 3,574,455,934,598.44 - Step 5: Solve for x
x = 3,574,455,934,598.44/2,163,868.92 - Step 6: Final answer
x = 1,651,881.91
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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.