Finding the Fourth Proportional to 2,829,923.72, 3,905,713.68 and 1,668,582.92
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Solution
The fourth proportional to 2,829,923.72, 3,905,713.68 and 1,668,582.92 is: 2,302,891.45
Step by Step Solution
- Step 1: Write the proportion equation
2,829,923.72 : 3,905,713.68 = 1,668,582.92 : x - Step 2: Convert to fraction form
2,829,923.72/3,905,713.68 = 1,668,582.92/x - Step 3: Cross multiply
2,829,923.72x = 3,905,713.68 × 1,668,582.92 - Step 4: Simplify right side
2,829,923.72x = 6,517,007,136,858.35 - Step 5: Solve for x
x = 6,517,007,136,858.35/2,829,923.72 - Step 6: Final answer
x = 2,302,891.45
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1.5x scale
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.