Finding the Fourth Proportional to 3,557,381.70, 4,909,185.66 and 1,925,787.84
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Solution
The fourth proportional to 3,557,381.70, 4,909,185.66 and 1,925,787.84 is: 2,657,586.63
Step by Step Solution
- Step 1: Write the proportion equation
3,557,381.70 : 4,909,185.66 = 1,925,787.84 : x - Step 2: Convert to fraction form
3,557,381.70/4,909,185.66 = 1,925,787.84/x - Step 3: Cross multiply
3,557,381.70x = 4,909,185.66 × 1,925,787.84 - Step 4: Simplify right side
3,557,381.70x = 9,454,050,048,330.38 - Step 5: Solve for x
x = 9,454,050,048,330.38/3,557,381.70 - Step 6: Final answer
x = 2,657,586.63
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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.