Finding the Fourth Proportional to 1,534,715.70, 2,117,352.33 and 889,780.74
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Solution
The fourth proportional to 1,534,715.70, 2,117,352.33 and 889,780.74 is: 1,227,575.45
Step by Step Solution
- Step 1: Write the proportion equation
1,534,715.70 : 2,117,352.33 = 889,780.74 : x - Step 2: Convert to fraction form
1,534,715.70/2,117,352.33 = 889,780.74/x - Step 3: Cross multiply
1,534,715.70x = 2,117,352.33 × 889,780.74 - Step 4: Simplify right side
1,534,715.70x = 1,883,979,323,028.12 - Step 5: Solve for x
x = 1,883,979,323,028.12/1,534,715.70 - Step 6: Final answer
x = 1,227,575.45
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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.