Finding the Fourth Proportional to 2,136,757.02, 2,948,607.84 and 1,169,700.24
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Solution
The fourth proportional to 2,136,757.02, 2,948,607.84 and 1,169,700.24 is: 1,614,122.37
Step by Step Solution
- Step 1: Write the proportion equation
2,136,757.02 : 2,948,607.84 = 1,169,700.24 : x - Step 2: Convert to fraction form
2,136,757.02/2,948,607.84 = 1,169,700.24/x - Step 3: Cross multiply
2,136,757.02x = 2,948,607.84 × 1,169,700.24 - Step 4: Simplify right side
2,136,757.02x = 3,448,987,298,113.88 - Step 5: Solve for x
x = 3,448,987,298,113.88/2,136,757.02 - Step 6: Final answer
x = 1,614,122.37
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1.5x scale
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.