Finding the Fourth Proportional to 1,521,668.34, 2,099,965.64 and 842,604.84
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Solution
The fourth proportional to 1,521,668.34, 2,099,965.64 and 842,604.84 is: 1,162,829.75
Step by Step Solution
- Step 1: Write the proportion equation
1,521,668.34 : 2,099,965.64 = 842,604.84 : x - Step 2: Convert to fraction form
1,521,668.34/2,099,965.64 = 842,604.84/x - Step 3: Cross multiply
1,521,668.34x = 2,099,965.64 × 842,604.84 - Step 4: Simplify right side
1,521,668.34x = 1,769,441,207,884.67 - Step 5: Solve for x
x = 1,769,441,207,884.67/1,521,668.34 - Step 6: Final answer
x = 1,162,829.75
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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.