Finding the Fourth Proportional to 3,565,866.28, 5,348,741.10 and 1,435,896.76
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Solution
The fourth proportional to 3,565,866.28, 5,348,741.10 and 1,435,896.76 is: 2,153,821.66
Step by Step Solution
- Step 1: Write the proportion equation
3,565,866.28 : 5,348,741.10 = 1,435,896.76 : x - Step 2: Convert to fraction form
3,565,866.28/5,348,741.10 = 1,435,896.76/x - Step 3: Cross multiply
3,565,866.28x = 5,348,741.10 × 1,435,896.76 - Step 4: Simplify right side
3,565,866.28x = 7,680,240,015,568.84 - Step 5: Solve for x
x = 7,680,240,015,568.84/3,565,866.28 - Step 6: Final answer
x = 2,153,821.66
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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.