Finding the Fourth Proportional to 1,886,125.80, 2,829,188.70 and 687,649.80
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Solution
The fourth proportional to 1,886,125.80, 2,829,188.70 and 687,649.80 is: 1,031,474.70
Step by Step Solution
- Step 1: Write the proportion equation
1,886,125.80 : 2,829,188.70 = 687,649.80 : x - Step 2: Convert to fraction form
1,886,125.80/2,829,188.70 = 687,649.80/x - Step 3: Cross multiply
1,886,125.80x = 2,829,188.70 × 687,649.80 - Step 4: Simplify right side
1,886,125.80x = 1,945,491,043,717.26 - Step 5: Solve for x
x = 1,945,491,043,717.26/1,886,125.80 - Step 6: Final answer
x = 1,031,474.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.