Finding the Fourth Proportional to 1,369,294.99, 1,888,990.80 and 886,015.99
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Solution
The fourth proportional to 1,369,294.99, 1,888,990.80 and 886,015.99 is: 1,222,290.35
Step by Step Solution
- Step 1: Write the proportion equation
1,369,294.99 : 1,888,990.80 = 886,015.99 : x - Step 2: Convert to fraction form
1,369,294.99/1,888,990.80 = 886,015.99/x - Step 3: Cross multiply
1,369,294.99x = 1,888,990.80 × 886,015.99 - Step 4: Simplify right side
1,369,294.99x = 1,673,676,053,762.89 - Step 5: Solve for x
x = 1,673,676,053,762.89/1,369,294.99 - Step 6: Final answer
x = 1,222,290.35
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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.