Finding the Fourth Proportional to 2,272,658.63, 3,136,334.51 and 1,254,128.99
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Solution
The fourth proportional to 2,272,658.63, 3,136,334.51 and 1,254,128.99 is: 1,730,734.21
Step by Step Solution
- Step 1: Write the proportion equation
2,272,658.63 : 3,136,334.51 = 1,254,128.99 : x - Step 2: Convert to fraction form
2,272,658.63/3,136,334.51 = 1,254,128.99/x - Step 3: Cross multiply
2,272,658.63x = 3,136,334.51 × 1,254,128.99 - Step 4: Simplify right side
2,272,658.63x = 3,933,368,018,782.10 - Step 5: Solve for x
x = 3,933,368,018,782.10/2,272,658.63 - Step 6: Final answer
x = 1,730,734.21
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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.