Finding the Fourth Proportional to 1,899,745.54, 2,621,570.10 and 1,040,290.99
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Solution
The fourth proportional to 1,899,745.54, 2,621,570.10 and 1,040,290.99 is: 1,435,558.45
Step by Step Solution
- Step 1: Write the proportion equation
1,899,745.54 : 2,621,570.10 = 1,040,290.99 : x - Step 2: Convert to fraction form
1,899,745.54/2,621,570.10 = 1,040,290.99/x - Step 3: Cross multiply
1,899,745.54x = 2,621,570.10 × 1,040,290.99 - Step 4: Simplify right side
1,899,745.54x = 2,727,195,754,683.40 - Step 5: Solve for x
x = 2,727,195,754,683.40/1,899,745.54 - Step 6: Final answer
x = 1,435,558.45
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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.