Finding the Fourth Proportional to 2,621,347.40, 3,932,021.10 and 2,243,433.80
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Solution
The fourth proportional to 2,621,347.40, 3,932,021.10 and 2,243,433.80 is: 3,365,150.70
Step by Step Solution
- Step 1: Write the proportion equation
2,621,347.40 : 3,932,021.10 = 2,243,433.80 : x - Step 2: Convert to fraction form
2,621,347.40/3,932,021.10 = 2,243,433.80/x - Step 3: Cross multiply
2,621,347.40x = 3,932,021.10 × 2,243,433.80 - Step 4: Simplify right side
2,621,347.40x = 8,821,229,038,053.18 - Step 5: Solve for x
x = 8,821,229,038,053.18/2,621,347.40 - Step 6: Final answer
x = 3,365,150.70
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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.