Finding the Fourth Proportional to 3,070,974.75, 4,237,945.16 and 1,712,847.75
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Solution
The fourth proportional to 3,070,974.75, 4,237,945.16 and 1,712,847.75 is: 2,363,729.90
Step by Step Solution
- Step 1: Write the proportion equation
3,070,974.75 : 4,237,945.16 = 1,712,847.75 : x - Step 2: Convert to fraction form
3,070,974.75/4,237,945.16 = 1,712,847.75/x - Step 3: Cross multiply
3,070,974.75x = 4,237,945.16 × 1,712,847.75 - Step 4: Simplify right side
3,070,974.75x = 7,258,954,823,365.15 - Step 5: Solve for x
x = 7,258,954,823,365.15/3,070,974.75 - Step 6: Final answer
x = 2,363,729.90
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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.