Finding the Fourth Proportional to 1,985,635.12, 2,977,960.60 and 565,703.48
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Solution
The fourth proportional to 1,985,635.12, 2,977,960.60 and 565,703.48 is: 848,415.03
Step by Step Solution
- Step 1: Write the proportion equation
1,985,635.12 : 2,977,960.60 = 565,703.48 : x - Step 2: Convert to fraction form
1,985,635.12/2,977,960.60 = 565,703.48/x - Step 3: Cross multiply
1,985,635.12x = 2,977,960.60 × 565,703.48 - Step 4: Simplify right side
1,985,635.12x = 1,684,642,674,722.89 - Step 5: Solve for x
x = 1,684,642,674,722.89/1,985,635.12 - Step 6: Final answer
x = 848,415.03
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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.