Finding the Fourth Proportional to 1,369,348.53, 1,889,064.18 and 886,069.68
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Solution
The fourth proportional to 1,369,348.53, 1,889,064.18 and 886,069.68 is: 1,222,364.11
Step by Step Solution
- Step 1: Write the proportion equation
1,369,348.53 : 1,889,064.18 = 886,069.68 : x - Step 2: Convert to fraction form
1,369,348.53/1,889,064.18 = 886,069.68/x - Step 3: Cross multiply
1,369,348.53x = 1,889,064.18 × 886,069.68 - Step 4: Simplify right side
1,369,348.53x = 1,673,842,493,472.06 - Step 5: Solve for x
x = 1,673,842,493,472.06/1,369,348.53 - Step 6: Final answer
x = 1,222,364.11
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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.