Finding the Fourth Proportional to 2,121,579.09, 2,927,851.02 and 1,154,744.46
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Solution
The fourth proportional to 2,121,579.09, 2,927,851.02 and 1,154,744.46 is: 1,593,586.48
Step by Step Solution
- Step 1: Write the proportion equation
2,121,579.09 : 2,927,851.02 = 1,154,744.46 : x - Step 2: Convert to fraction form
2,121,579.09/2,927,851.02 = 1,154,744.46/x - Step 3: Cross multiply
2,121,579.09x = 2,927,851.02 × 1,154,744.46 - Step 4: Simplify right side
2,121,579.09x = 3,380,919,745,050.35 - Step 5: Solve for x
x = 3,380,919,745,050.35/2,121,579.09 - Step 6: Final answer
x = 1,593,586.48
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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.