Finding the Fourth Proportional to 2,986,707.21, 4,480,052.31 and 742,845.21
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Solution
The fourth proportional to 2,986,707.21, 4,480,052.31 and 742,845.21 is: 1,114,265.70
Step by Step Solution
- Step 1: Write the proportion equation
2,986,707.21 : 4,480,052.31 = 742,845.21 : x - Step 2: Convert to fraction form
2,986,707.21/4,480,052.31 = 742,845.21/x - Step 3: Cross multiply
2,986,707.21x = 4,480,052.31 × 742,845.21 - Step 4: Simplify right side
2,986,707.21x = 3,327,985,399,032.93 - Step 5: Solve for x
x = 3,327,985,399,032.93/2,986,707.21 - Step 6: Final answer
x = 1,114,265.70
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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.