Finding the Fourth Proportional to 1,443,278.44, 2,164,751.20 and 378,405.06
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Solution
The fourth proportional to 1,443,278.44, 2,164,751.20 and 378,405.06 is: 567,563.95
Step by Step Solution
- Step 1: Write the proportion equation
1,443,278.44 : 2,164,751.20 = 378,405.06 : x - Step 2: Convert to fraction form
1,443,278.44/2,164,751.20 = 378,405.06/x - Step 3: Cross multiply
1,443,278.44x = 2,164,751.20 × 378,405.06 - Step 4: Simplify right side
1,443,278.44x = 819,152,807,721.07 - Step 5: Solve for x
x = 819,152,807,721.07/1,443,278.44 - Step 6: Final answer
x = 567,563.95
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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.