Finding the Fourth Proportional to 1,660,075.23, 2,290,989.11 and 1,015,293.09
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Solution
The fourth proportional to 1,660,075.23, 2,290,989.11 and 1,015,293.09 is: 1,401,156.63
Step by Step Solution
- Step 1: Write the proportion equation
1,660,075.23 : 2,290,989.11 = 1,015,293.09 : x - Step 2: Convert to fraction form
1,660,075.23/2,290,989.11 = 1,015,293.09/x - Step 3: Cross multiply
1,660,075.23x = 2,290,989.11 × 1,015,293.09 - Step 4: Simplify right side
1,660,075.23x = 2,326,025,412,648.25 - Step 5: Solve for x
x = 2,326,025,412,648.25/1,660,075.23 - Step 6: Final answer
x = 1,401,156.63
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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.