Finding the Fourth Proportional to 3,769,996.32, 5,202,660.24 and 2,051,128.80
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Solution
The fourth proportional to 3,769,996.32, 5,202,660.24 and 2,051,128.80 is: 2,830,593.28
Step by Step Solution
- Step 1: Write the proportion equation
3,769,996.32 : 5,202,660.24 = 2,051,128.80 : x - Step 2: Convert to fraction form
3,769,996.32/5,202,660.24 = 2,051,128.80/x - Step 3: Cross multiply
3,769,996.32x = 5,202,660.24 × 2,051,128.80 - Step 4: Simplify right side
3,769,996.32x = 10,671,326,254,878.91 - Step 5: Solve for x
x = 10,671,326,254,878.91/3,769,996.32 - Step 6: Final answer
x = 2,830,593.28
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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.