Finding the Fourth Proportional to 2,199,120.78, 3,299,197.41 and 682,726.26
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Solution
The fourth proportional to 2,199,120.78, 3,299,197.41 and 682,726.26 is: 1,024,249.66
Step by Step Solution
- Step 1: Write the proportion equation
2,199,120.78 : 3,299,197.41 = 682,726.26 : x - Step 2: Convert to fraction form
2,199,120.78/3,299,197.41 = 682,726.26/x - Step 3: Cross multiply
2,199,120.78x = 3,299,197.41 × 682,726.26 - Step 4: Simplify right side
2,199,120.78x = 2,252,448,708,730.99 - Step 5: Solve for x
x = 2,252,448,708,730.99/2,199,120.78 - Step 6: Final answer
x = 1,024,249.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.