Finding the Fourth Proportional to 4,039,686.12, 5,574,763.80 and 2,228,850.12
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Solution
The fourth proportional to 4,039,686.12, 5,574,763.80 and 2,228,850.12 is: 3,075,811.49
Step by Step Solution
- Step 1: Write the proportion equation
4,039,686.12 : 5,574,763.80 = 2,228,850.12 : x - Step 2: Convert to fraction form
4,039,686.12/5,574,763.80 = 2,228,850.12/x - Step 3: Cross multiply
4,039,686.12x = 5,574,763.80 × 2,228,850.12 - Step 4: Simplify right side
4,039,686.12x = 12,425,312,964,601.66 - Step 5: Solve for x
x = 12,425,312,964,601.66/4,039,686.12 - Step 6: Final answer
x = 3,075,811.49
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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.