Finding the Fourth Proportional to 3,459,641.92, 4,774,277.34 and 1,889,775.05
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Solution
The fourth proportional to 3,459,641.92, 4,774,277.34 and 1,889,775.05 is: 2,607,873.99
Step by Step Solution
- Step 1: Write the proportion equation
3,459,641.92 : 4,774,277.34 = 1,889,775.05 : x - Step 2: Convert to fraction form
3,459,641.92/4,774,277.34 = 1,889,775.05/x - Step 3: Cross multiply
3,459,641.92x = 4,774,277.34 × 1,889,775.05 - Step 4: Simplify right side
3,459,641.92x = 9,022,310,175,040.98 - Step 5: Solve for x
x = 9,022,310,175,040.98/3,459,641.92 - Step 6: Final answer
x = 2,607,873.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.