Finding the Fourth Proportional to 2,554,361.70, 3,831,293.76 and 1,038,135.54
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Solution
The fourth proportional to 2,554,361.70, 3,831,293.76 and 1,038,135.54 is: 1,557,102.20
Step by Step Solution
- Step 1: Write the proportion equation
2,554,361.70 : 3,831,293.76 = 1,038,135.54 : x - Step 2: Convert to fraction form
2,554,361.70/3,831,293.76 = 1,038,135.54/x - Step 3: Cross multiply
2,554,361.70x = 3,831,293.76 × 1,038,135.54 - Step 4: Simplify right side
2,554,361.70x = 3,977,402,216,436.23 - Step 5: Solve for x
x = 3,977,402,216,436.23/2,554,361.70 - Step 6: Final answer
x = 1,557,102.20
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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.