Finding the Fourth Proportional to 1,668,628.10, 2,302,752.12 and 943,584.28
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Solution
The fourth proportional to 1,668,628.10, 2,302,752.12 and 943,584.28 is: 1,302,171.95
Step by Step Solution
- Step 1: Write the proportion equation
1,668,628.10 : 2,302,752.12 = 943,584.28 : x - Step 2: Convert to fraction form
1,668,628.10/2,302,752.12 = 943,584.28/x - Step 3: Cross multiply
1,668,628.10x = 2,302,752.12 × 943,584.28 - Step 4: Simplify right side
1,668,628.10x = 2,172,840,701,168.67 - Step 5: Solve for x
x = 2,172,840,701,168.67/1,668,628.10 - Step 6: Final answer
x = 1,302,171.95
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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.