Finding the Fourth Proportional to 1,668,631.20, 2,302,697.36 and 943,621.44
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Solution
The fourth proportional to 1,668,631.20, 2,302,697.36 and 943,621.44 is: 1,302,189.84
Step by Step Solution
- Step 1: Write the proportion equation
1,668,631.20 : 2,302,697.36 = 943,621.44 : x - Step 2: Convert to fraction form
1,668,631.20/2,302,697.36 = 943,621.44/x - Step 3: Cross multiply
1,668,631.20x = 2,302,697.36 × 943,621.44 - Step 4: Simplify right side
1,668,631.20x = 2,172,874,598,727.40 - Step 5: Solve for x
x = 2,172,874,598,727.40/1,668,631.20 - Step 6: Final answer
x = 1,302,189.84
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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.