Finding the Fourth Proportional to 1,816,237.80, 2,724,356.70 and 486,541.80
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Solution
The fourth proportional to 1,816,237.80, 2,724,356.70 and 486,541.80 is: 729,812.70
Step by Step Solution
- Step 1: Write the proportion equation
1,816,237.80 : 2,724,356.70 = 486,541.80 : x - Step 2: Convert to fraction form
1,816,237.80/2,724,356.70 = 486,541.80/x - Step 3: Cross multiply
1,816,237.80x = 2,724,356.70 × 486,541.80 - Step 4: Simplify right side
1,816,237.80x = 1,325,513,412,660.06 - Step 5: Solve for x
x = 1,325,513,412,660.06/1,816,237.80 - Step 6: Final answer
x = 729,812.70
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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.