Finding the Fourth Proportional to 2,684,273.99, 4,026,410.98 and 978,545.21
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Solution
The fourth proportional to 2,684,273.99, 4,026,410.98 and 978,545.21 is: 1,467,817.81
Step by Step Solution
- Step 1: Write the proportion equation
2,684,273.99 : 4,026,410.98 = 978,545.21 : x - Step 2: Convert to fraction form
2,684,273.99/4,026,410.98 = 978,545.21/x - Step 3: Cross multiply
2,684,273.99x = 4,026,410.98 × 978,545.21 - Step 4: Simplify right side
2,684,273.99x = 3,940,025,155,391.99 - Step 5: Solve for x
x = 3,940,025,155,391.99/2,684,273.99 - Step 6: Final answer
x = 1,467,817.81
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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.