Finding the Fourth Proportional to 1,969,089.75, 2,717,346.29 and 1,063,671.75
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Solution
The fourth proportional to 1,969,089.75, 2,717,346.29 and 1,063,671.75 is: 1,467,868.33
Step by Step Solution
- Step 1: Write the proportion equation
1,969,089.75 : 2,717,346.29 = 1,063,671.75 : x - Step 2: Convert to fraction form
1,969,089.75/2,717,346.29 = 1,063,671.75/x - Step 3: Cross multiply
1,969,089.75x = 2,717,346.29 × 1,063,671.75 - Step 4: Simplify right side
1,969,089.75x = 2,890,364,478,321.95 - Step 5: Solve for x
x = 2,890,364,478,321.95/1,969,089.75 - Step 6: Final answer
x = 1,467,868.33
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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.