Finding the Fourth Proportional to 1,484,221.14, 2,048,229.11 and 805,157.64
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Solution
The fourth proportional to 1,484,221.14, 2,048,229.11 and 805,157.64 is: 1,111,119.68
Step by Step Solution
- Step 1: Write the proportion equation
1,484,221.14 : 2,048,229.11 = 805,157.64 : x - Step 2: Convert to fraction form
1,484,221.14/2,048,229.11 = 805,157.64/x - Step 3: Cross multiply
1,484,221.14x = 2,048,229.11 × 805,157.64 - Step 4: Simplify right side
1,484,221.14x = 1,649,147,318,399.79 - Step 5: Solve for x
x = 1,649,147,318,399.79/1,484,221.14 - Step 6: Final answer
x = 1,111,119.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.