Finding the Fourth Proportional to 1,938,040.75, 2,674,496.24 and 1,078,803.99
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Solution
The fourth proportional to 1,938,040.75, 2,674,496.24 and 1,078,803.99 is: 1,488,749.50
Step by Step Solution
- Step 1: Write the proportion equation
1,938,040.75 : 2,674,496.24 = 1,078,803.99 : x - Step 2: Convert to fraction form
1,938,040.75/2,674,496.24 = 1,078,803.99/x - Step 3: Cross multiply
1,938,040.75x = 2,674,496.24 × 1,078,803.99 - Step 4: Simplify right side
1,938,040.75x = 2,885,257,196,185.50 - Step 5: Solve for x
x = 2,885,257,196,185.50/1,938,040.75 - Step 6: Final answer
x = 1,488,749.50
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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.