Finding the Fourth Proportional to 3,578,640.76, 5,368,459.56 and 1,149,867.08
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Solution
The fourth proportional to 3,578,640.76, 5,368,459.56 and 1,149,867.08 is: 1,724,960.77
Step by Step Solution
- Step 1: Write the proportion equation
3,578,640.76 : 5,368,459.56 = 1,149,867.08 : x - Step 2: Convert to fraction form
3,578,640.76/5,368,459.56 = 1,149,867.08/x - Step 3: Cross multiply
3,578,640.76x = 5,368,459.56 × 1,149,867.08 - Step 4: Simplify right side
3,578,640.76x = 6,173,014,918,355.29 - Step 5: Solve for x
x = 6,173,014,918,355.29/3,578,640.76 - Step 6: Final answer
x = 1,724,960.77
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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.