Finding the Fourth Proportional to 3,258,681.94, 4,888,027.01 and 1,128,765.83
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Solution
The fourth proportional to 3,258,681.94, 4,888,027.01 and 1,128,765.83 is: 1,693,150.17
Step by Step Solution
- Step 1: Write the proportion equation
3,258,681.94 : 4,888,027.01 = 1,128,765.83 : x - Step 2: Convert to fraction form
3,258,681.94/4,888,027.01 = 1,128,765.83/x - Step 3: Cross multiply
3,258,681.94x = 4,888,027.01 × 1,128,765.83 - Step 4: Simplify right side
3,258,681.94x = 5,517,437,870,882 - Step 5: Solve for x
x = 5,517,437,870,882/3,258,681.94 - Step 6: Final answer
x = 1,693,150.17
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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.