Finding the Fourth Proportional to 3,764,128.39, 5,643,018.51 and 1,632,607.09
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Solution
The fourth proportional to 3,764,128.39, 5,643,018.51 and 1,632,607.09 is: 2,447,533.95
Step by Step Solution
- Step 1: Write the proportion equation
3,764,128.39 : 5,643,018.51 = 1,632,607.09 : x - Step 2: Convert to fraction form
3,764,128.39/5,643,018.51 = 1,632,607.09/x - Step 3: Cross multiply
3,764,128.39x = 5,643,018.51 × 1,632,607.09 - Step 4: Simplify right side
3,764,128.39x = 9,212,832,028,427.24 - Step 5: Solve for x
x = 9,212,832,028,427.24/3,764,128.39 - Step 6: Final answer
x = 2,447,533.95
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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.