Finding the Fourth Proportional to 2,778,249.24, 4,188,197.85 and 2,593,075.80
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Solution
The fourth proportional to 2,778,249.24, 4,188,197.85 and 2,593,075.80 is: 3,909,049.75
Step by Step Solution
- Step 1: Write the proportion equation
2,778,249.24 : 4,188,197.85 = 2,593,075.80 : x - Step 2: Convert to fraction form
2,778,249.24/4,188,197.85 = 2,593,075.80/x - Step 3: Cross multiply
2,778,249.24x = 4,188,197.85 × 2,593,075.80 - Step 4: Simplify right side
2,778,249.24x = 10,860,314,490,447.03 - Step 5: Solve for x
x = 10,860,314,490,447.03/2,778,249.24 - Step 6: Final answer
x = 3,909,049.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.