Finding the Fourth Proportional to 1,974,439.38, 2,961,659.09 and 478,531.38
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Solution
The fourth proportional to 1,974,439.38, 2,961,659.09 and 478,531.38 is: 717,797.07
Step by Step Solution
- Step 1: Write the proportion equation
1,974,439.38 : 2,961,659.09 = 478,531.38 : x - Step 2: Convert to fraction form
1,974,439.38/2,961,659.09 = 478,531.38/x - Step 3: Cross multiply
1,974,439.38x = 2,961,659.09 × 478,531.38 - Step 4: Simplify right side
1,974,439.38x = 1,417,246,811,427.24 - Step 5: Solve for x
x = 1,417,246,811,427.24/1,974,439.38 - Step 6: Final answer
x = 717,797.07
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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.