Finding the Fourth Proportional to 1,784,737.80, 2,678,637.60 and 720,543.60
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Solution
The fourth proportional to 1,784,737.80, 2,678,637.60 and 720,543.60 is: 1,081,433.46
Step by Step Solution
- Step 1: Write the proportion equation
1,784,737.80 : 2,678,637.60 = 720,543.60 : x - Step 2: Convert to fraction form
1,784,737.80/2,678,637.60 = 720,543.60/x - Step 3: Cross multiply
1,784,737.80x = 2,678,637.60 × 720,543.60 - Step 4: Simplify right side
1,784,737.80x = 1,930,075,179,399.36 - Step 5: Solve for x
x = 1,930,075,179,399.36/1,784,737.80 - Step 6: Final answer
x = 1,081,433.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.