Finding the Fourth Proportional to 3,075,445.21, 4,244,029.25 and 1,698,764.24
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Solution
The fourth proportional to 3,075,445.21, 4,244,029.25 and 1,698,764.24 is: 2,344,247.62
Step by Step Solution
- Step 1: Write the proportion equation
3,075,445.21 : 4,244,029.25 = 1,698,764.24 : x - Step 2: Convert to fraction form
3,075,445.21/4,244,029.25 = 1,698,764.24/x - Step 3: Cross multiply
3,075,445.21x = 4,244,029.25 × 1,698,764.24 - Step 4: Simplify right side
3,075,445.21x = 7,209,605,114,920.20 - Step 5: Solve for x
x = 7,209,605,114,920.20/3,075,445.21 - Step 6: Final answer
x = 2,344,247.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.