Finding the Fourth Proportional to 5,618,799.92, 8,428,203.98 and 1,358,972.26
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Solution
The fourth proportional to 5,618,799.92, 8,428,203.98 and 1,358,972.26 is: 2,038,459.38
Step by Step Solution
- Step 1: Write the proportion equation
5,618,799.92 : 8,428,203.98 = 1,358,972.26 : x - Step 2: Convert to fraction form
5,618,799.92/8,428,203.98 = 1,358,972.26/x - Step 3: Cross multiply
5,618,799.92x = 8,428,203.98 × 1,358,972.26 - Step 4: Simplify right side
5,618,799.92x = 11,453,695,410,441.60 - Step 5: Solve for x
x = 11,453,695,410,441.60/5,618,799.92 - Step 6: Final answer
x = 2,038,459.38
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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.