Finding the Fourth Proportional to 1,749,395.75, 2,614,508.87 and 1,277,075.75
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Solution
The fourth proportional to 1,749,395.75, 2,614,508.87 and 1,277,075.75 is: 1,908,616.66
Step by Step Solution
- Step 1: Write the proportion equation
1,749,395.75 : 2,614,508.87 = 1,277,075.75 : x - Step 2: Convert to fraction form
1,749,395.75/2,614,508.87 = 1,277,075.75/x - Step 3: Cross multiply
1,749,395.75x = 2,614,508.87 × 1,277,075.75 - Step 4: Simplify right side
1,749,395.75x = 3,338,925,856,578.98 - Step 5: Solve for x
x = 3,338,925,856,578.98/1,749,395.75 - Step 6: Final answer
x = 1,908,616.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.