Finding the Fourth Proportional to 2,439,642.06, 3,366,725.97 and 1,351,931.80
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Solution
The fourth proportional to 2,439,642.06, 3,366,725.97 and 1,351,931.80 is: 1,865,676.93
Step by Step Solution
- Step 1: Write the proportion equation
2,439,642.06 : 3,366,725.97 = 1,351,931.80 : x - Step 2: Convert to fraction form
2,439,642.06/3,366,725.97 = 1,351,931.80/x - Step 3: Cross multiply
2,439,642.06x = 3,366,725.97 × 1,351,931.80 - Step 4: Simplify right side
2,439,642.06x = 4,551,583,900,728.85 - Step 5: Solve for x
x = 4,551,583,900,728.85/2,439,642.06 - Step 6: Final answer
x = 1,865,676.93
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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.