Finding the Fourth Proportional to 3,617,999.70, 5,423,428.35 and 2,021,327.70
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Solution
The fourth proportional to 3,617,999.70, 5,423,428.35 and 2,021,327.70 is: 3,029,996.37
Step by Step Solution
- Step 1: Write the proportion equation
3,617,999.70 : 5,423,428.35 = 2,021,327.70 : x - Step 2: Convert to fraction form
3,617,999.70/5,423,428.35 = 2,021,327.70/x - Step 3: Cross multiply
3,617,999.70x = 5,423,428.35 × 2,021,327.70 - Step 4: Simplify right side
3,617,999.70x = 10,962,525,952,820.29 - Step 5: Solve for x
x = 10,962,525,952,820.29/3,617,999.70 - Step 6: Final answer
x = 3,029,996.37
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1.5x scale
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.