Finding the Fourth Proportional to 3,459,640.98, 4,774,276.05 and 1,889,774.11
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Solution
The fourth proportional to 3,459,640.98, 4,774,276.05 and 1,889,774.11 is: 2,607,872.70
Step by Step Solution
- Step 1: Write the proportion equation
3,459,640.98 : 4,774,276.05 = 1,889,774.11 : x - Step 2: Convert to fraction form
3,459,640.98/4,774,276.05 = 1,889,774.11/x - Step 3: Cross multiply
3,459,640.98x = 4,774,276.05 × 1,889,774.11 - Step 4: Simplify right side
3,459,640.98x = 9,022,303,254,260.72 - Step 5: Solve for x
x = 9,022,303,254,260.72/3,459,640.98 - Step 6: Final answer
x = 2,607,872.70
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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.