Finding the Fourth Proportional to 1,660,076.23, 2,290,990.49 and 1,015,294.09
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Solution
The fourth proportional to 1,660,076.23, 2,290,990.49 and 1,015,294.09 is: 1,401,158.01
Step by Step Solution
- Step 1: Write the proportion equation
1,660,076.23 : 2,290,990.49 = 1,015,294.09 : x - Step 2: Convert to fraction form
1,660,076.23/2,290,990.49 = 1,015,294.09/x - Step 3: Cross multiply
1,660,076.23x = 2,290,990.49 × 1,015,294.09 - Step 4: Simplify right side
1,660,076.23x = 2,326,029,104,743.20 - Step 5: Solve for x
x = 2,326,029,104,743.20/1,660,076.23 - Step 6: Final answer
x = 1,401,158.01
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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.