Finding the Fourth Proportional to 4,847,646.14, 7,270,681.68 and 2,288,856.14
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Solution
The fourth proportional to 4,847,646.14, 7,270,681.68 and 2,288,856.14 is: 3,432,912.37
Step by Step Solution
- Step 1: Write the proportion equation
4,847,646.14 : 7,270,681.68 = 2,288,856.14 : x - Step 2: Convert to fraction form
4,847,646.14/7,270,681.68 = 2,288,856.14/x - Step 3: Cross multiply
4,847,646.14x = 7,270,681.68 × 2,288,856.14 - Step 4: Simplify right side
4,847,646.14x = 16,641,544,368,900.11 - Step 5: Solve for x
x = 16,641,544,368,900.11/4,847,646.14 - Step 6: Final answer
x = 3,432,912.37
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1.5x scale
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.