Finding the Fourth Proportional to 3,885,135.40, 5,824,938.30 and 1,488,053.80
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Solution
The fourth proportional to 3,885,135.40, 5,824,938.30 and 1,488,053.80 is: 2,231,021.75
Step by Step Solution
- Step 1: Write the proportion equation
3,885,135.40 : 5,824,938.30 = 1,488,053.80 : x - Step 2: Convert to fraction form
3,885,135.40/5,824,938.30 = 1,488,053.80/x - Step 3: Cross multiply
3,885,135.40x = 5,824,938.30 × 1,488,053.80 - Step 4: Simplify right side
3,885,135.40x = 8,667,821,572,080.54 - Step 5: Solve for x
x = 8,667,821,572,080.54/3,885,135.40 - Step 6: Final answer
x = 2,231,021.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.