Finding the Fourth Proportional to 1,995,985.98, 2,754,486.99 and 1,136,549.70
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Solution
The fourth proportional to 1,995,985.98, 2,754,486.99 and 1,136,549.70 is: 1,568,453.58
Step by Step Solution
- Step 1: Write the proportion equation
1,995,985.98 : 2,754,486.99 = 1,136,549.70 : x - Step 2: Convert to fraction form
1,995,985.98/2,754,486.99 = 1,136,549.70/x - Step 3: Cross multiply
1,995,985.98x = 2,754,486.99 × 1,136,549.70 - Step 4: Simplify right side
1,995,985.98x = 3,130,611,362,138.40 - Step 5: Solve for x
x = 3,130,611,362,138.40/1,995,985.98 - Step 6: Final answer
x = 1,568,453.58
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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.