Finding the Fourth Proportional to 1,634,349.96, 2,255,475.72 and 1,361,961.84
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Solution
The fourth proportional to 1,634,349.96, 2,255,475.72 and 1,361,961.84 is: 1,879,567.99
Step by Step Solution
- Step 1: Write the proportion equation
1,634,349.96 : 2,255,475.72 = 1,361,961.84 : x - Step 2: Convert to fraction form
1,634,349.96/2,255,475.72 = 1,361,961.84/x - Step 3: Cross multiply
1,634,349.96x = 2,255,475.72 × 1,361,961.84 - Step 4: Simplify right side
1,634,349.96x = 3,071,871,861,686.53 - Step 5: Solve for x
x = 3,071,871,861,686.53/1,634,349.96 - Step 6: Final answer
x = 1,879,567.99
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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.