Finding the Fourth Proportional to 1,577,034.40, 2,365,551.36 and 378,956.72
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Solution
The fourth proportional to 1,577,034.40, 2,365,551.36 and 378,956.72 is: 568,435.02
Step by Step Solution
- Step 1: Write the proportion equation
1,577,034.40 : 2,365,551.36 = 378,956.72 : x - Step 2: Convert to fraction form
1,577,034.40/2,365,551.36 = 378,956.72/x - Step 3: Cross multiply
1,577,034.40x = 2,365,551.36 × 378,956.72 - Step 4: Simplify right side
1,577,034.40x = 896,441,583,637.90 - Step 5: Solve for x
x = 896,441,583,637.90/1,577,034.40 - Step 6: Final answer
x = 568,435.02
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1.5x scale
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.