Finding the Fourth Proportional to 1,777,014.48, 2,449,729.20 and 1,266,831.12
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Solution
The fourth proportional to 1,777,014.48, 2,449,729.20 and 1,266,831.12 is: 1,746,408.50
Step by Step Solution
- Step 1: Write the proportion equation
1,777,014.48 : 2,449,729.20 = 1,266,831.12 : x - Step 2: Convert to fraction form
1,777,014.48/2,449,729.20 = 1,266,831.12/x - Step 3: Cross multiply
1,777,014.48x = 2,449,729.20 × 1,266,831.12 - Step 4: Simplify right side
1,777,014.48x = 3,103,393,186,132.70 - Step 5: Solve for x
x = 3,103,393,186,132.70/1,777,014.48 - Step 6: Final answer
x = 1,746,408.50
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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.