Finding the Fourth Proportional to 1,942,603.80, 2,913,905.70 and 612,907.80
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Solution
The fourth proportional to 1,942,603.80, 2,913,905.70 and 612,907.80 is: 919,361.70
Step by Step Solution
- Step 1: Write the proportion equation
1,942,603.80 : 2,913,905.70 = 612,907.80 : x - Step 2: Convert to fraction form
1,942,603.80/2,913,905.70 = 612,907.80/x - Step 3: Cross multiply
1,942,603.80x = 2,913,905.70 × 612,907.80 - Step 4: Simplify right side
1,942,603.80x = 1,785,955,531,994.46 - Step 5: Solve for x
x = 1,785,955,531,994.46/1,942,603.80 - Step 6: Final answer
x = 919,361.70
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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.