Finding the Fourth Proportional to 3,832,630.23, 5,289,347.69 and 2,201,352.40
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Solution
The fourth proportional to 3,832,630.23, 5,289,347.69 and 2,201,352.40 is: 3,038,048.95
Step by Step Solution
- Step 1: Write the proportion equation
3,832,630.23 : 5,289,347.69 = 2,201,352.40 : x - Step 2: Convert to fraction form
3,832,630.23/5,289,347.69 = 2,201,352.40/x - Step 3: Cross multiply
3,832,630.23x = 5,289,347.69 × 2,201,352.40 - Step 4: Simplify right side
3,832,630.23x = 11,643,718,231,815.96 - Step 5: Solve for x
x = 11,643,718,231,815.96/3,832,630.23 - Step 6: Final answer
x = 3,038,048.95
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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.