Finding the Fourth Proportional to 1,948,122.68, 2,922,615.25 and 668,701.49
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Solution
The fourth proportional to 1,948,122.68, 2,922,615.25 and 668,701.49 is: 1,003,200.25
Step by Step Solution
- Step 1: Write the proportion equation
1,948,122.68 : 2,922,615.25 = 668,701.49 : x - Step 2: Convert to fraction form
1,948,122.68/2,922,615.25 = 668,701.49/x - Step 3: Cross multiply
1,948,122.68x = 2,922,615.25 × 668,701.49 - Step 4: Simplify right side
1,948,122.68x = 1,954,357,156,086.89 - Step 5: Solve for x
x = 1,954,357,156,086.89/1,948,122.68 - Step 6: Final answer
x = 1,003,200.25
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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.