Finding the Fourth Proportional to 1,686,764.64, 2,325,313.95 and 1,202,489.03
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Solution
The fourth proportional to 1,686,764.64, 2,325,313.95 and 1,202,489.03 is: 1,657,708.75
Step by Step Solution
- Step 1: Write the proportion equation
1,686,764.64 : 2,325,313.95 = 1,202,489.03 : x - Step 2: Convert to fraction form
1,686,764.64/2,325,313.95 = 1,202,489.03/x - Step 3: Cross multiply
1,686,764.64x = 2,325,313.95 × 1,202,489.03 - Step 4: Simplify right side
1,686,764.64x = 2,796,164,504,405.03 - Step 5: Solve for x
x = 2,796,164,504,405.03/1,686,764.64 - Step 6: Final answer
x = 1,657,708.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.