Finding the Fourth Proportional to 3,557,626.53, 4,909,490.46 and 1,925,992.05
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Solution
The fourth proportional to 3,557,626.53, 4,909,490.46 and 1,925,992.05 is: 2,657,850.54
Step by Step Solution
- Step 1: Write the proportion equation
3,557,626.53 : 4,909,490.46 = 1,925,992.05 : x - Step 2: Convert to fraction form
3,557,626.53/4,909,490.46 = 1,925,992.05/x - Step 3: Cross multiply
3,557,626.53x = 4,909,490.46 × 1,925,992.05 - Step 4: Simplify right side
3,557,626.53x = 9,455,639,595,510.84 - Step 5: Solve for x
x = 9,455,639,595,510.84/3,557,626.53 - Step 6: Final answer
x = 2,657,850.54
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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.