Finding the Fourth Proportional to 1,874,408.76, 2,811,647.70 and 676,420.92
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Solution
The fourth proportional to 1,874,408.76, 2,811,647.70 and 676,420.92 is: 1,014,643.85
Step by Step Solution
- Step 1: Write the proportion equation
1,874,408.76 : 2,811,647.70 = 676,420.92 : x - Step 2: Convert to fraction form
1,874,408.76/2,811,647.70 = 676,420.92/x - Step 3: Cross multiply
1,874,408.76x = 2,811,647.70 × 676,420.92 - Step 4: Simplify right side
1,874,408.76x = 1,901,857,323,949.88 - Step 5: Solve for x
x = 1,901,857,323,949.88/1,874,408.76 - Step 6: Final answer
x = 1,014,643.85
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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.