Finding the Fourth Proportional to 4,075,579.80, 5,624,434.80 and 2,240,103.60
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Solution
The fourth proportional to 4,075,579.80, 5,624,434.80 and 2,240,103.60 is: 3,091,416.99
Step by Step Solution
- Step 1: Write the proportion equation
4,075,579.80 : 5,624,434.80 = 2,240,103.60 : x - Step 2: Convert to fraction form
4,075,579.80/5,624,434.80 = 2,240,103.60/x - Step 3: Cross multiply
4,075,579.80x = 5,624,434.80 × 2,240,103.60 - Step 4: Simplify right side
4,075,579.80x = 12,599,316,643,445.28 - Step 5: Solve for x
x = 12,599,316,643,445.28/4,075,579.80 - Step 6: Final answer
x = 3,091,416.99
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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.