Finding the Fourth Proportional to 1,816,709.81, 2,724,974.11 and 679,388.39
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Solution
The fourth proportional to 1,816,709.81, 2,724,974.11 and 679,388.39 is: 1,019,048.70
Step by Step Solution
- Step 1: Write the proportion equation
1,816,709.81 : 2,724,974.11 = 679,388.39 : x - Step 2: Convert to fraction form
1,816,709.81/2,724,974.11 = 679,388.39/x - Step 3: Cross multiply
1,816,709.81x = 2,724,974.11 × 679,388.39 - Step 4: Simplify right side
1,816,709.81x = 1,851,315,773,384.58 - Step 5: Solve for x
x = 1,851,315,773,384.58/1,816,709.81 - Step 6: Final answer
x = 1,019,048.70
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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.