Finding the Fourth Proportional to 3,124,921.76, 4,687,368.96 and 1,327,529.60
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Solution
The fourth proportional to 3,124,921.76, 4,687,368.96 and 1,327,529.60 is: 1,991,288.59
Step by Step Solution
- Step 1: Write the proportion equation
3,124,921.76 : 4,687,368.96 = 1,327,529.60 : x - Step 2: Convert to fraction form
3,124,921.76/4,687,368.96 = 1,327,529.60/x - Step 3: Cross multiply
3,124,921.76x = 4,687,368.96 × 1,327,529.60 - Step 4: Simplify right side
3,124,921.76x = 6,222,621,040,521.22 - Step 5: Solve for x
x = 6,222,621,040,521.22/3,124,921.76 - Step 6: Final answer
x = 1,991,288.59
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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.