Finding the Fourth Proportional to 2,019,135.40, 3,024,620.70 and 1,258,642.60
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Solution
The fourth proportional to 2,019,135.40, 3,024,620.70 and 1,258,642.60 is: 1,885,419.11
Step by Step Solution
- Step 1: Write the proportion equation
2,019,135.40 : 3,024,620.70 = 1,258,642.60 : x - Step 2: Convert to fraction form
2,019,135.40/3,024,620.70 = 1,258,642.60/x - Step 3: Cross multiply
2,019,135.40x = 3,024,620.70 × 1,258,642.60 - Step 4: Simplify right side
2,019,135.40x = 3,806,916,461,861.82 - Step 5: Solve for x
x = 3,806,916,461,861.82/2,019,135.40 - Step 6: Final answer
x = 1,885,419.11
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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.