Finding the Fourth Proportional to 2,566,803.78, 3,542,217.21 and 1,420,903.26
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Solution
The fourth proportional to 2,566,803.78, 3,542,217.21 and 1,420,903.26 is: 1,960,862.00
Step by Step Solution
- Step 1: Write the proportion equation
2,566,803.78 : 3,542,217.21 = 1,420,903.26 : x - Step 2: Convert to fraction form
2,566,803.78/3,542,217.21 = 1,420,903.26/x - Step 3: Cross multiply
2,566,803.78x = 3,542,217.21 × 1,420,903.26 - Step 4: Simplify right side
2,566,803.78x = 5,033,147,981,317.10 - Step 5: Solve for x
x = 5,033,147,981,317.10/2,566,803.78 - Step 6: Final answer
x = 1,960,862.00
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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.