Finding the Fourth Proportional to 1,684,184.12, 2,324,174.58 and 909,815.16
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Solution
The fourth proportional to 1,684,184.12, 2,324,174.58 and 909,815.16 is: 1,255,545.19
Step by Step Solution
- Step 1: Write the proportion equation
1,684,184.12 : 2,324,174.58 = 909,815.16 : x - Step 2: Convert to fraction form
1,684,184.12/2,324,174.58 = 909,815.16/x - Step 3: Cross multiply
1,684,184.12x = 2,324,174.58 × 909,815.16 - Step 4: Simplify right side
1,684,184.12x = 2,114,569,267,370.63 - Step 5: Solve for x
x = 2,114,569,267,370.63/1,684,184.12 - Step 6: Final answer
x = 1,255,545.19
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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.