Finding the Fourth Proportional to 1,646,225.20, 2,474,586.60 and 1,551,746.80
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Solution
The fourth proportional to 1,646,225.20, 2,474,586.60 and 1,551,746.80 is: 2,332,567.77
Step by Step Solution
- Step 1: Write the proportion equation
1,646,225.20 : 2,474,586.60 = 1,551,746.80 : x - Step 2: Convert to fraction form
1,646,225.20/2,474,586.60 = 1,551,746.80/x - Step 3: Cross multiply
1,646,225.20x = 2,474,586.60 × 1,551,746.80 - Step 4: Simplify right side
1,646,225.20x = 3,839,931,837,872.88 - Step 5: Solve for x
x = 3,839,931,837,872.88/1,646,225.20 - Step 6: Final answer
x = 2,332,567.77
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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.