Finding the Fourth Proportional to 1,420,361.74, 2,130,548.28 and 355,400.74
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Solution
The fourth proportional to 1,420,361.74, 2,130,548.28 and 355,400.74 is: 533,102.53
Step by Step Solution
- Step 1: Write the proportion equation
1,420,361.74 : 2,130,548.28 = 355,400.74 : x - Step 2: Convert to fraction form
1,420,361.74/2,130,548.28 = 355,400.74/x - Step 3: Cross multiply
1,420,361.74x = 2,130,548.28 × 355,400.74 - Step 4: Simplify right side
1,420,361.74x = 757,198,435,317.73 - Step 5: Solve for x
x = 757,198,435,317.73/1,420,361.74 - Step 6: Final answer
x = 533,102.53
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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.