Finding the Fourth Proportional to 1,990,101.68, 2,985,136.12 and 570,159.13
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Solution
The fourth proportional to 1,990,101.68, 2,985,136.12 and 570,159.13 is: 855,233.99
Step by Step Solution
- Step 1: Write the proportion equation
1,990,101.68 : 2,985,136.12 = 570,159.13 : x - Step 2: Convert to fraction form
1,990,101.68/2,985,136.12 = 570,159.13/x - Step 3: Cross multiply
1,990,101.68x = 2,985,136.12 × 570,159.13 - Step 4: Simplify right side
1,990,101.68x = 1,702,002,601,958.50 - Step 5: Solve for x
x = 1,702,002,601,958.50/1,990,101.68 - Step 6: Final answer
x = 855,233.99
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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.