Finding the Fourth Proportional to 1,815,089.49, 2,504,728.38 and 999,133.80
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Solution
The fourth proportional to 1,815,089.49, 2,504,728.38 and 999,133.80 is: 1,378,752.29
Step by Step Solution
- Step 1: Write the proportion equation
1,815,089.49 : 2,504,728.38 = 999,133.80 : x - Step 2: Convert to fraction form
1,815,089.49/2,504,728.38 = 999,133.80/x - Step 3: Cross multiply
1,815,089.49x = 2,504,728.38 × 999,133.80 - Step 4: Simplify right side
1,815,089.49x = 2,502,558,784,277.24 - Step 5: Solve for x
x = 2,502,558,784,277.24/1,815,089.49 - Step 6: Final answer
x = 1,378,752.29
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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.