Finding the Fourth Proportional to 1,508,011.84, 2,081,039.52 and 819,668.80
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Solution
The fourth proportional to 1,508,011.84, 2,081,039.52 and 819,668.80 is: 1,131,133.80
Step by Step Solution
- Step 1: Write the proportion equation
1,508,011.84 : 2,081,039.52 = 819,668.80 : x - Step 2: Convert to fraction form
1,508,011.84/2,081,039.52 = 819,668.80/x - Step 3: Cross multiply
1,508,011.84x = 2,081,039.52 × 819,668.80 - Step 4: Simplify right side
1,508,011.84x = 1,705,763,166,110.98 - Step 5: Solve for x
x = 1,705,763,166,110.98/1,508,011.84 - Step 6: Final answer
x = 1,131,133.80
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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.