Finding the Fourth Proportional to 2,152,152.12, 2,969,874.08 and 1,233,722.84
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Solution
The fourth proportional to 2,152,152.12, 2,969,874.08 and 1,233,722.84 is: 1,702,482.58
Step by Step Solution
- Step 1: Write the proportion equation
2,152,152.12 : 2,969,874.08 = 1,233,722.84 : x - Step 2: Convert to fraction form
2,152,152.12/2,969,874.08 = 1,233,722.84/x - Step 3: Cross multiply
2,152,152.12x = 2,969,874.08 × 1,233,722.84 - Step 4: Simplify right side
2,152,152.12x = 3,664,001,484,419.99 - Step 5: Solve for x
x = 3,664,001,484,419.99/2,152,152.12 - Step 6: Final answer
x = 1,702,482.58
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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.